Williamson Series 2 - Page 45

45
Part Number 550-142-785/0812
GWI Series 2 Gas-Fired Water Boilers – Boiler Manual
Figure 28 Gas control assembly
13 Replacement parts continued
Item
number
Part description
Boiler model
number
Manufacturer
Manufacturer’s
part number
Part number
1 Ignition Control All United Technologies 11135-611 381330099WT
2
(Natural gas)
Gas valve, ½” x ½”, Natural gas GWI-047 to GWI-158
Honeywell
White-Rodgers
VR8204A-2001
36E36-266
511-044-381WT
Gas valve, ¾” x ¾”, Natural gas GWI-190
Honeywell
White-Rodgers
VR8304P-4348
36C-478
511-044-353WT
2
(Propane
gas)
Gas valve, ½” x ½”, Propane GWI-047 to GWI-158
Honeywell
White-Rodgers
VR8204M-2701
36E36-291
511-044-354WT
Gas valve, ¾” x ¾”, Propane GWI-190
Honeywell
White-Rodgers
VR8304M-4010
36C68-479
511-044-355WT
3
(Natural gas)
Pilot assembly kit with orice and
aluminum pilot gas tubing
All 511-330-166WT
3
(Propane gas)
Pilot assembly kit with orice and
aluminum pilot gas tubing
All 511-330-211WT
4 Control transformer Honeywell 381-356-578WT
5
Pressure switch, 1.19 Inches W. C.
Pressure switch, 1.08 Inches W. C.
Pressure switch, 0.86 Inches W. C.
Pressure switch, 0.61 Inches W. C.
Pressure switch, 0.76 Inches W. C.
GWI-047 & GWI-063
GWI-095
GWI-127
GWI-158
GWI-190
Tri-Delta
PP510193-3120
PP510193-3121
PP510193-3122
PP510193-3123
PP510193-3124
511-624-350WT
511-624-351WT
511-624-352WT
511-624-353WT
511-624-354WT
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 591-391-978
WT
not shown Wiring harness, thermostat Williamson-Thermoo 591-391-994 WT
not shown Wiring harness, sensor Williamson-Thermoo 591-391-995 WT NN