Replacement parts — controls
13
Figure 39 Gas control
assembly
65
Part Number
550-110-290/0219
CGt
GAS-FIRED WATER BOILER — Series 2 —
Boiler Manual
Item
number
Description
Manufacturer
Manufacturer’s
part number
Weil-McLain
part number
1
Gas valve, ½” x ½”
Honeywell
White-Rodgers
VR8204A2001
36E36-266
511-044-381
511-044-381
2
Pilot kit w/orifice & aluminum pilot gas tubing
Weil-McLain
511-330-080
3
Control module
United Technologies
1107-1
381-330-090
4
Air pressure switch, 1.53” w.c
Tri-Delta
511-624-542
5
Control transformer
Honeywell
AT140B1297
511-842-370
6
Ambient temperature switch (bracket not
shown); 135° F; automatic reset
Therm-O-Disc
60T21 314367
540-130-401
7
Control relay DPDT 24 V
Honeywell
R8222D1014
510-311-019
not
shown
Tubing, air pressure switch, 0.12 I.D. silicone
red, to collector hood
white, to transition
Lydall
590-317-650
590-317-651