Operating instructions

44
Part Number 550-142-784/0812
GWA Series 2 Gas-Fired Water Boilers – Boiler Manual
Figure 22 Gas control assembly
13 Replacement parts continued
Item
number
Description Boiler model Manufacturer Manufacturer’s
part number
Part number
Natural gas components
1 Gas valve, ½” x ½”
Gas valve,
¾” x ¾”
GWA-052 through GWA-175
GWA-210 through GWA-245
Honeywell
White-Rodgers
Robertshaw
Honeywell
White-Rodgers
VR8204A2001
36E-266
7200IPER
VR8304M4348
36C74-474
511-044-381WT
511-044-382WT
2 Pilot kit w/orice & aluminum pilot gas tubing Williamson-Thermoo 511-330-218WT
LiqueedPetroleum(Propane)gascomponents
1 Gas valve, ½” x ½”
Gas valve,
¾” x ¾”
GWA-052 through GWA-175
GWA-210 through GWA-245
Honeywell
Honeywell
VR8204M2701 LP
VR8304M4010 LP
511-044-354WT
511-044-355WT
2 Pilot kit w/orice & aluminum pilot gas tubing Williamson-Thermoo 511-330-219WT
NaturalgasandLiqueedPetroleum(Propane)gascomponents
3 Control module - Natural gas
- Liqueed Petroleum (Propane) gas
United Technologies 1135-601
1135-602
381-330-014WT
381-330-016WT
not shown Wiring harness, junction box to control module Williamson-Thermoo 591-391-975
WT
not shown Wiring harness, controls to control module Williamson-Thermoo 591-391-977WT
not shown Wiring harness, thermostat Williamson-Thermoo 591-391-994WT
not shown Wiring harness, sensor Williamson-Thermoo 591-391-995WT
4 Control transformer Honeywell 381-356-578WT