Replacement Parts List

38
Boiler Control Replacement Parts
McDonnell & Miller
B
OILER
C
ONTROLS
Series 47
Series 47-2
Item Part Model Weight
Number Number Number Description lbs. (kg)
1 310453 CTRD-101 Cartridge and 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 0.7 (.32)
(includes item 3)
5 341500 SA47-4 Bellows and bracket assembly 1.5 (0.7)
(includes item 15)
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 with manual reset 1.0 (0.5)
10 332800 MA-259 Quick hook-up fittings 4.5 (2.0)
(includes item 11, 12, 13)
11 349400 SA159-17 Black “Y” assembly 2.3 (1.0)
12 351800 SA259-24 Upper quick hook-up fittings 1.7 (.77)
13 349500 SA159-24 Lower quick hook-up fittings 1.7 (.77)
14 340600 SA37-30 Float assembly 2.0 (0.9)
15 312700 37-26 Gasket 0.1 (.05)
16 310447 14-B Blow-down valve 1.5 (0.7)
(includes item 17)
17 313200 37-39 Blow-down valve gasket 1.0 (0.5)
Series 47/47-2
Mechanical Water Feeder/Low Water Cut-Offs
Combination Mechanical Water Feeder/
Low Water Cut-Offs
Components (shown on page 39)
Round Port
Pilot Action Style
Before August 1995
Hex Port
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.