Replacement Parts List

OIL
Current Service Parts 171
WGO, WTGO - Series 1 Through 3
Water Trim / Control Parts
Fig.
No.
Part No. Description Mfr.
Mfr.’s Part
No.
Boiler
WGO WTGO
5
511-210-423 Drain Cock, ¾", 1½" Shank Conbraco 31-606-01 X X
511-246-392
Drain Cock, ¾"
Matco-
Norca
X X
Drain Cock, ¾" Nibco #74 X X
6 511-405-113
Circulator, 1/25HP, 120/60/1 Motor, 175 RPM, 0.75
Amps
Taco W007F X X
7
381-354-526
Circulator Universal Hardware Kit 1¼" (Includes: (1)
Flange, (1) Gasket, (2) Screws and (2) Nuts) For
Sizes 2, 3 & 4 Only
Weil-McLain - X X
381-354-531
Circulator Universal Hardware Kit 1½" (Includes: (1)
Flange, (1) Gasket, (2) Screws and (2) Nuts) For
Sizes 5 & 6 Only
Weil-McLain X X
10A 591-391-849
Junction Box – Wiring Harness Assembly Series 2 &
3 WTGO-3L Only With Circulator Only
Weil-McLain - X X
N/S 591-391-836
Junction Box – Wiring Harness Assembly Series 2
& 3 All WGO and WTGO Boilers Except WTGO-3L
With Circulator. See 10A Above.
Weil-McLain - X X
10B 591-391-837
Junction Box – Wiring harness assembly (Series 2 &
3 A & B Only) Trim Carton Only
Weil-McLain - X X
9 591-391-854 Junction Box Cover Assembly With Service Switch Weil-McLain - X X
11 591-391-850 Burner Harness Assembly Weil-McLain - X X
N/S
426-700-268 Flue Pipe Brackets (Set of 2) Weil-McLain - X X
590-921-599
Tankless Heater – Water Boiler (Includes: Heater,
Gasket, Nuts and Studs) For Boiler Size WTGO-3L
X
590-921-612
Tankless Heater – Water Boiler (Includes: Heater,
Gasket, Nuts And Studs) For Boiler Sizes WTGO-
3,4,5 & 6
X
590-921-610
Tankless Heater – Water Boiler (Includes: Heater,
Gasket, Nuts And Studs) For Boiler Sizes WTGO-7,8
& 9
X
560-340-577 ⅜" - 16 x 1⅛ " Stud and Nut, 6 required
592-800-007 6" Round Tankless Heater Gasket
510-512-267 Barometric Damper 6" X X
Damper Kits
N/S
381-800-501 Vent Damper Kit - (Includes Damper and Actuator) WGO-2RD
381-800-502 Vent Damper Kit - (Includes Damper and Actuator) WGO/WTGO-3RD
381-800-503 Vent Damper Kit - (Includes Damper and Actuator) WGO/WTGO-4RD
381-800-504 Vent Damper Kit - (Includes Damper and Actuator) WGO/WTGO-5RD
381-800-505 Vent Damper Kit - (Includes Damper and Actuator) WGO/WTGO-6RD
381-800-506 Vent Damper Kit - (Includes Damper and Actuator) WGO/WTGO-7RD