Replacement Parts List

Boiler Control Replacement Parts

McDonnell & Miller

OILER

ONTROLS

Series 247/247-2

Mechanical Water Feeder/Low Water Cut-Offs

Combination Mechanical Water Feeder/

Low Water Cut-Offs

Series 247-2

Series 247

Components (shown on page 41)

Item Part Model Weight

Number Number Number Description lbs. (kg)

1 310453 CTRD-101 Cartridge & strainer kit .35 (.16)

2* 341600 SA47-101-102 Valve, cartridge & strainer 3.0 (1.4)

assembly kit

3 324435 37-101 Tetraseal o-ring 0.1 (.05)

4 347100 SA101-38 Strainer for hex port valves 0.2 (.09)

(includes item 3)

5 341900 SA47-104 Bellows & bracket assembly 1.5 (0.7)

(includes item 11)

6 312800 37-27 Gasket 0.1 (.05)

7 302900 CO-106 Cam assembly 0.1 (.05)

8 110000 2 Switch 1.0 (0.5)

9 110100 2-M Switch w/manual reset 1.0 (0.5)

10 340600 SA37-30 Float assembly 2.0 (0.9)

11 312700 37-26 Gasket 0.1 (.05)

Round Boss

Pilot Action Style

Pre August 1995

Hex Boss

Cartridge Style

After August 1995

* Units manufactured prior to August 1995 have a round

port pilot valve and a strainer assembly. These valve

and strainer assemblies can be replaced with the

current hex port cartridge valve and strainer assembly.

PAGE 1
BOILER CONTROLS Boiler Control Replacement Parts McDonnell & Miller Combination Mechanical Water Feeder/ Low Water Cut-Offs Series 247/247-2 Mechanical Water Feeder/Low Water Cut-Offs Components (shown on page 41) 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 (.
PAGE 2
Boiler Control Replacement Parts McDonnell & Miller BOILER CONTROLS Combination Mechanical Water Feeder/ Low Water Cut-Offs Series 247/247-2 (continued) Mechanical Water Feeder/Low Water Cut-Offs Components 8 9 7 6 6 5 10 11 3 1 2 4 41