Replacement Parts List

ManualsBrandsMcdonnell & Miller ManualsHeating Supplies67-BC-1 Low Water Cut-off

McDonnell & Miller

Service Parts Catalog

PARTS LIST

MM-701D

Summary of content (76 pages)

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PARTS LIST MM-701D McDonnell & Miller Service Parts Catalog
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Table of Contents                                          
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Table of Contents                                                      2
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Table of Contents                                                                              3
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          Boiler Control Replacement Parts  4
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Boiler Control Replacement Parts     For Model Repl. Probe Model No. Part Number Description PS-801-120 PSE-851-120 PA-800 354081 Probe Weight lbs. (kg) 0.5 (.23)  PS-802-24 3/4 NPT PS-852-24 RS-1-LP PS-851-M-120 PS-852-M-24 PS-801-M-120 PS-802-M-24 1.31 1.56 2.13 (33) (40) (54) 750P-MT-120 751P-MT-120 751P-MT-24 PSE-801-120 PSE-802-24 PSE-801-M-120 PSE-802-M-24  For Model Repl. Probe Model No.
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Boiler Control Replacement Parts     For Model Repl. Probe Model No. Part Number Description Weight lbs. (kg) PS-802-RX2-24 PA-800-RX2 354140 Probe 0.5 (.23)  PS-851-RX2-120 1/2 PSE-802-RX2-24 NPT 1.31 1.56 2.13 (33) (40) (54)  For Model Repl. Probe Model No. Part Number Description Weight lbs. (kg) RB-122 PA-RB-122 354083 Probe 0.5 (.
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Boiler Control Replacement Parts          For Series Repl. Head Model No. Part Number Description Weight lbs. (kg) 61-HD or 6667 140300 Head mechanism 3.5 (1.6) 61 153825 Head mechanism 1.5 (0.7)    Key Part Number Catalog Number Description Weight lbs.
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  Boiler Control Replacement Parts        For Model Repl. Head Model No. Part Number 63-HD 142600 Head mechanism w/ No. 2 switch 7.0 (3.2) 63-M-HD 143200 63-HD w/manual reset 7.0 (3.2) Description Weight lbs.
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Boiler Control Replacement Parts        1 2 7 3 5 4 6 9
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  Boiler Control Replacement Parts       For Series Repl. Head Model No. Part Number Description Weight lbs. (kg) 64 64-HD 144400 Head mechanism 4.0 (1.8)  64-A    Item Number Part Number Model Number Description Weight lbs. (kg) 1 343600 SA64-30 Float assembly 1.0 (0.
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Boiler Control Replacement Parts         11 8 9 1 3 5 6 7 10 4 2 11
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  Boiler Control Replacement Parts       For Series Repl. Head Model No. Part Number Description Weight lbs. (kg) 764 64-HD 144400 Head mechanism 4.0 (1.8)     12  Item Number Part Number Model Number Description Weight lbs. (kg) 1 343600 SA64-30 Float assembly 1.0 (0.
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Boiler Control Replacement Parts         1 3 5 6 7 4 2 13
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  Boiler Control Replacement Parts       For Model Repl. Head Model No. Part Number Description Weight lbs. (kg) 67-LQHU 6667 153825 Head mechanism 1.5 (0.7) 67-G 6667MV 153850 6667 for Millivolt service 1.5 (0.7) 67   Item Number Part Number Model Number Description Weight lbs. (kg) 1 344100 SA66-35 Upper tube assembly 1.0 (0.
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Boiler Control Replacement Parts         1 Model 6667 2 4 5 6 7 3 9 8 15
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  Boiler Control Replacement Parts       For Model Repl. Head Model No. Part Number Description Weight lbs. (kg)  767 6667 153825 Head mechanism 1.5 (0.7)  Item Number Part Number Model Number Description Weight lbs. (kg) 1 318800 67-12 Gasket 0.1 (.05) 2 344200 SA67-2 Float and bellows assembly 1.0 (0.5) 3 309100 11 Switch 0.5 (.
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Boiler Control Replacement Parts         For Model Repl. Head Model No. Part Number Weight lbs. (kg) Description 69 69-J  169 269 6667 153825 Head mechanism 1.5 (0.7) 6667-MV 153850 6667 w/Millivolt service 1.5 (0.7) 369 469 569 69-MV-P 369-MV   Item Number Part Number Model Number Description Weight lbs.
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  Boiler Control Replacement Parts        For Model Repl. Head Model No. Part Number Description Weight lbs. (kg) 42S 42S-HD 129502 Head mechanism 7.5 (3.4)    Item Number Part Number Model Number Description Weight lbs.
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Boiler Control Replacement Parts        5 3 2 6 4 1 19
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  Boiler Control Replacement Parts       For Model Part Number Repl. Head Model No. Description Weight lbs. (kg) 93, 193 162400 93-HD Head mechanism 16 (7.25) 163200 93-7B-HD Head mechanism with 7B switch 16 (7.25) 162600 93-M-HD Head mechanism, manual reset 16 (7.25) 163300 93-7B-M-HD Head mechanism with 7B switch, 16 (7.
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Boiler Control Replacement Parts        4 5 6 7 3 1A 1 1 3 2 2 2  2A 1A 2 1  21
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  Boiler Control Replacement Parts       For Model Part Number Repl. Head Model No. Description Weight lbs. (kg) 94, 194 165300 94-HD Head mechanism 21 (9.52) 166000 94-M-HD Head mechanism, manual reset 21 (9.52) 166400 94-7B-HD Head mechanism with 7B switch 21 (9.52) 166500 94-7B-M-HD manual reset Head mechanism with 7B switch, 21 (9.
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Boiler Control Replacement Parts        4 5 6 7 3 1A 1 1 3 2 2 2  2A 1A 2 1  23
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  Boiler Control Replacement Parts            
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Boiler Control Replacement Parts          For Model Part Number Repl. Head Model No. 150S-HD 173003 Head mechanism 11.0 (5.0) 150S-M-HD 172809 150S-HD w/manual reset 11.0 (5.0) 150S-MD-HD 173103 150S-HD w/maximum differential 11.0 (5.0) 150S-M-MD-HD 172810 150S-HD w/manual reset and maximum differential 11.0 (5.0) 158S-HD 178602 Head mechanism 12.
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  Boiler Control Replacement Parts                  
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Boiler Control Replacement Parts       7 Series 150 Head Gasket and Casting Refer to page 26 for Switch Assemblies RAISED FLANGE GASKET CATALOGUE NO. 150-14H P.N. 325500 3 R RAISED FLANGE This new gasket, specifically designed for the Raised Flange Heads, may be used. 1 4 2 FLAT FLANGE GASKET CATALOGUE NO. 150-14 P.N. 325400 FLAT FLANGE This gasket must be used on the Flat Flange Heads.
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  Boiler Control Replacement Parts      2 1  Item Number Model Number Part Number Description Weight lbs. (kg) 1 EA-157-S 354106 Short electrode for 157S-RBP 0.5 (.23) 2 EA-157-L 354107 Long electrode for 157S-RBP 0.5 (.
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Boiler Control Replacement Parts       Item Model Number Number Part Number Description Weight lbs. (kg) 1 150E-CU 310490 Control unit, automatic reset 2.07 (.96) 2 PA-750-HP 176319 High Pressure Probe 0.5 (0.23) 3 PS-1-SS 0.5 (0.
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  Notes  30
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Boiler Control Replacement Parts       Item Number Part Number Model Number Description Weight lbs. (kg) 1 310473 STR-WF2 Strainer/orifice kit 0.1 (.
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Boiler Control Replacement Parts       Item Number Part Number Model Number Description Weight lbs. (kg) 1 310453 CTRD-101 Cartridge & strainer kit 0.8 (.36) 2 324435 37-101 Tetraseal O-ring 0.1 (.05) 3 324100 101-24V-48 Transformer (24V) 3.5 (1.6) 4 347100 SA-101-38 Strainer (includes item 2) 0.7 (.
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Boiler Control Replacement Parts        Item Number Part Number Model Number Weight lbs. (kg) 1 311200 21-30 Float (includes item 2) 1.7 (.77) 2 335400 847-26 Gasket 0.1 (.05) 3 311100 21-27 Gasket 0.1 (.05) 4 310800 21-12 Gasket 0.1 (.05) 5 339500 SA21-6 Valve assembly (includes items 2, 3, 4 & 6) 3.0 (1.4) 6 312900 37-28 Gasket 0.1 (.05) 7 342300 SA51-9R Strainer assembly 3.0 (1.
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Boiler Control Replacement Parts         For Series Repl. Head Model No. Part Number Description Weight lbs. (kg) 25-A 25A-HD 127100 Head mechanism 20 (9.
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Boiler Control Replacement Parts        Item Number Part Number Model Number Weight lbs. (kg) 1 311200 21-30 Float (includes item 2) 1.7 (.77) 2 304100 F-26 Gasket 0.1 (.05) 3 311100 21-27 Gasket 0.1 (.05) 4 310800 21-12 Gasket 0.1 (.05) 5 339500 SA21-6 Valve assembly (includes 2,3,4,6) 3.0 (1.4) 6 312900 37-28 Gasket 0.1 (.05) 7 342300 SA51-9R Strainer assembly 3.0 (1.
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Boiler Control Replacement Parts         For Series Repl. Head Model No. Part Number Description 551-S 551S-HD 136600 Head mechanism Weight lbs. (kg) 25.7 (11.7)   Item Number Part Number Model Number 1 310437 FLT-51-05 Float (includes item 2) (see note below) 2.5 (1.1) 2 304100 F-26 Gasket 0.1 (.05) 3 310442 BA-551-05 Bellows bracket assembly (see note below) 1.
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Boiler Control Replacement Parts        Item Number Part Number Model Number Weight lbs. (kg) 1 313600 37A-130 Float (includes item 2) 2.0 (0.9) 2 335400 847-26 Gasket 0.1 (.05) 3 352800 SA847-4 Bellows bracket assembly (includes item 2 and 4) 1.5 (0.7) 4 312800 37-27 Gasket 0.1 (.05) 5* 341600 SA47-101-102 Valve & strainer kit 3.0 (1.4) 6 324435 37-101 Tetraseal O-ring 0.1 (.
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Boiler Control Replacement Parts        Item Number Part Number Model Number Weight lbs. (kg) 1 313600 37A-130 Float (includes item 2) 2.0 (0.9) 2 335400 847-26 Gasket 0.1 (.05) 3 352925 SA851-4 Bellows bracket assembly 1.5 (0.7) 4 312800 37-27 Gasket 0.1 (.05) 5* 342500 SA51-101-102 Valve & strainer kit 3.0 (1.4) 6 324435 37-101 Tetraseal O-ring 0.1 (.
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Boiler Control Replacement Parts        Item Number Part Number Model Number Description Weight lbs. (kg) 1 313600 37A-130 Float (includes item 2) 2.0 (.9) 2 335400 847-26 Gasket 0.1 (.05) 3 352925 SA851-4 Bellows bracket assembly (includes item 4) 1.5 (.7) 4 312800 37-27 Gasket 0.1 (.05) 5 342100 SA51S-6 Valve assembly 3.0 (1.4) 6 316200 51S-114 Valve seat 0.1 (.
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  Boiler Control Replacement Parts       Item Number Part Number Model Number Description Weight lbs. (kg) 1 310453 CTRD-101 Cartridge and strainer kit .35 (.16) 2* 341600 SA47-101-102 Valve, cartridge & strainer assembly kit 3.0 (1.4) 3 324435 37-101 Tetraseal o-ring 0.1 (.05) 4 347100 SA101-38 Strainer for hex port valves (includes item 3) 0.7 (.
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Boiler Control Replacement Parts         11 12 8 9 7 6 6 10 14 13 5 15 3 1 2 4 17 16 41
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  Boiler Control Replacement Parts       Item Number Part Number Model Number Description Weight lbs. (kg) 1 310453 CTRD-101 Cartridge & strainer kit .35 (.16) 2* 341600 SA47-101-102 Valve, cartridge & strainer assembly kit 3.0 (1.4) 3 324435 37-101 Tetraseal o-ring 0.1 (.05) 4 347100 SA101-38 Strainer for hex port valves (includes item 3) 0.2 (.
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Boiler Control Replacement Parts         8 9 7 6 6 5 10 11 3 1 2 4 43
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  Boiler Control Replacement Parts        For Series Repl. Head Model No. Part Number Description Weight lbs. (kg) 51-2-HD or 51-2M-HD 135100 Head mechanism w/ No. 2 switch 18.3 51-2 135300 51-2-HD w/manual reset 26.0 (11.8)  (8.3)   Part Model 1 110000 2 Low water cut-off switch 1.0 (0.5) 2 110100 2-M No.
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Boiler Control Replacement Parts         1 2 4 6 5 5 7 3 10 8 9 11 Pre August 1995 After August 1995 current hex port cartridge valve and strainer assembly.
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  Boiler Control Replacement Parts        For Series Repl. Head Model No. Part Number Description Weight lbs. (kg) 51-S-2-HD or 51-S-2M-HD 136200 Head mechanism w/ No. 2 switch 20.5 (9.3) 51-S 136250 51-S-2-HD w/manual reset 21.7 (9.8)    Item Number Part Number Model Number Description Weight lbs.
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Boiler Control Replacement Parts          1 2 4 6 5 7 3 8 9 11 10 12 13   47
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  Boiler Control Replacement Parts        For Series Repl. Head Model No. Part Number Description Weight lbs. (kg) 53-2-HD or 53-2M-HD 137300 Head mechanism w/ No. 2 switch 20.5 (9.3) 53 137250 53-2-HD w/manual reset 20.5 (9.3)    Item Number Part Number Model Number Description Weight lbs.
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Boiler Control Replacement Parts          1 2 3 5 6 6 7 4 8 9 10 11   49
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Boiler Control Replacement Parts       Item Number Part Number Model Number Description Weight lbs. (kg) 1 317354 TC-V Vacuum breaker w/gasket 0.3 (.14) 2 317350 TC-U Upper valve (includes item 1) 2.7 (1.2) 3 317353 TC-L Lower valve 2.7 (1.
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Liquid Level Control Replacement Parts   Item Number Part Number Model Number Weight lbs. (kg) 1 354370 GSKT-RS-1 Cover gasket 0.3 (.14) 2 354401 EA-RS Electrode 0.5 (.23) 3 354081 PA-800 Probe 0.5 (.23) 4 354410 GSKT-RS-2 Cover gasket Description   0.3 (.
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Liquid Level Control Replacement Parts     Item Number Part Number Model Number Description Weight lbs. (kg) 1 310471 SWA-PFC-D Valve assembly-DA 2.0 (0.9) 2 310472 SWA-PFC-R Valve assembly-RA 2.0 (0.9) 3 354411 G-PFC-S Supply gauge 0.3 (.14) 4 354412 G-PFC-O Output gauge 0.3 (.14) 5 354320 FLT-PFC Float (includes item 6) 0.5 (.23) 6 354310 GSKT-PFC Gasket 0.2 (.
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Liquid Level Control Replacement Parts     Item Number Part Number Model Number 1 334100 421-30 Float & Nipple (includes item 2) 1.5 (0.7) 2 311100 21-27 Gasket 0.1 (.05) 3 340100 SA27W-6 Valve assembly (includes item 2) 3.5 (1.6) Description Weight lbs.
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Notes  54
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Flow Switch Replacement Parts     For Model Item Number Part Number Model Number Description Weight lbs. (kg) 1 310451 FS4-15SS Stainless steel paddle kit 0.1 (.05) 2 305200 FS4-33 SPDT switch 0.3 (.14) 3 305512 FS4-3D-17 SPDT switch 0.3 (.14) 4 304300 FS1-17 0.3 (.
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Flow Switch Replacement Parts     Item Number Part Number Model Number Description Weight lbs. (kg) 1 305200 FS4-33 SPDT switch 0.3 (.14) 2 336900 FS4-3T-25 Paddle kit (includes O-ring) 0.1 (.
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Flow Switch Replacement Parts     Item Number Part Number Model Number Description Weight lbs. (kg) 1 304300 FS1-17 Switch 0.3 (.
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Flow Switch Replacement Parts    Item Number Part Number Model Number Description Weight lbs. (kg) 1 307400 GSKT-FS8W O-ring 0.1 (.05) 2 310478 FS8-33 Switch 0.3 (.14) 3 310451 FS4-15SS Stainless steel paddle kit 0.1 (.
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Flow Switch Replacement Parts    Item Number Part Number Model Number Description Weight lbs. (kg) 1 310801 GSKT-FS254 O-Ring 0.1 (.05) 2 310802 SW-FS250 Switch 0.3 (0.14) 3 310451 FS4-15SS Stainless steel paddle kit 0.1 (.
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Flow Switch Replacement Parts     Part Number Model Number Description Weight lbs. (kg) 1 300311 GSKT-FS1/6W O-ring 0.1 (.05) 2 304300 FS1-17 Switch 0.3 (.
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Flow Switch Replacement Parts     Item Number Part Number Model Number Description Weight lbs. (kg) 1 300311 GSKT-FS1/6W O-ring 0.1 (.05) 2 304300 FS1-17 Switch 0.3 (.
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Flow Switch Replacement Parts     For Series Item Number Part Number Model Number Description Weight lbs. (kg) 1 307000 FS7-31 SPDT switch 0.3 (.14) 2 337550 FS7S-4R-4 Paddle arm 0.5 (.23) FS7-4 3 306700 FS7-28 Bronze paddle kit 0.1 (.05) FS7-4S 4 306800 FS7-28S Stainless steel paddle kit 0.1 (.05) FS7-4L 5* 337900 FS7-28L Bronze paddle kit 0.1 (.
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Flow Switch Replacement Parts     For Series Item Number Part Number Model Number Description Weight lbs. (kg) 1 307000 FS7-31 SPDT switch 0.3 (.14) 2 337550 FS7S-4R-4 Paddle arm 0.4 (.18) 3 306700 FS7-28 Bronze paddle kit 0.1 (.05) 4 306800 FS7-28S Stainless steel paddle kit 0.1 (.05) 5 307200 FS7-W-43 Gasket 0.1 (.
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Flow Switch Replacement Parts       Item Number Part Number Model Number Description Weight lbs. (kg) 1 307000 FS7-31 SPDT switch 0.3 (.14) 2 301200 AF1-21 Gasket 0.1 (.05) 3 336000 AF1-122 Paddle kit for model AF1 & AF1-J (includes item 2) 0.1 (.05) 4 336050 AF1-S-122 Paddle kit for model AF1-S (includes item 2) 0.1 (.
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Flow Switch Replacement Parts     Item Number Part Number Model Number Description Weight lbs. (kg) 1 304300 FS1-17 SPDT switch 0.3 (.14) 2 308300 AFE-1-122 Paddle kit (includes item 3) 0.1 (.05) 3 317352 AFE-1-21 Gasket 0.1 (.
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Flow Switch Replacement Parts       Item Number Part Number Model Number Description Weight lbs. (kg) 1 307000 FS7-31 SPDT switch 0.3 (.14) 2 301200 AF1-21 Gasket 0.1 (.05) 3 301400 AF2-122 Paddle kit (includes item 2) 0.1 (.
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Flow Switch Replacement Parts     Item Number Part Number Model Number Description Weight lbs. (kg) 1 307000 FS7-31 SPDT switch 0.3 (.14) 2 301200 AF1-21 Gasket 0.1 (.05) 3 301450 AF3-122 Paddle kit (includes item 2) 0.1 (.
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Warranty & Return Policy               
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Date Codes              69
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Recommended Maintenance                   
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Replacement Guidelines                                  
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Notes  Flow Switch Replacement Parts
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Notes  Flow Switch Replacement Parts
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Notes  Flow Switch Replacement Parts
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Xylem 1) The tissue in plants that brings water upward from the roots; 2) a leading global water technology company. We’re a global team unified in a common purpose: creating innovative solutions to meet our world’s water needs. Developing new technologies that will improve the way water is used, conserved, and re-used in the future is central to our work. We move, treat, analyze, and return water to the environment, and we help people use water efficiently, in their homes, buildings, factories and farms.