Install Instructions

Part Number 550-142-902/1016
CGi
GAS-FIRED WATER BOILER — SERIES 3 — Boiler Manual
68
12f
Figure 43 Gas control assembly
Replacement parts — controls
Item
number
Description Boiler model Manufacturer Manufacturer’s
part number
Weil-McLain
part number
Natural gas components
1 Gas valve, ½” x ½”
Gas valve,
¾ ” x ¾ ”
CGi-25 thru -6
CGi-7 & CGi-8
Honeywell
White-Rodgers
Honeywell
White-Rodgers
VR8204A2001
36E36-266
VR8304M4002
36C68-478
511-044-381
511-044-381
511-044-353
511-044-353
2 Pilot kit w/orifice & aluminum pilot gas tubing Weil-McLain 511-330-080
Propane gas components
1 Gas valve, ½” x ½”
Gas valve,
¾ ” x ¾ ”
CGi-25 thru -6
CGi-7 & CGi-8
Honeywell
White-Rodgers
Honeywell
White-Rodgers
VR8204M2701
36E36-291
VR8304M4010
36C68-479
511-044-354
511-044-354
511-044-355
511-044-355
2 Pilot kit w/orifice & aluminum pilot gas tubing Weil-McLain 511-330-081
Natural gas and propane gas components
3 Control module
Weil-McLain 381-330-022
not shown
Wiring harness - Controls to control module Weil-McLain 591-391-978
4 Air pressure switch 1.79” w.c.
1.36” w.c.
1.12” w.c.
0.80” w.c.
0.75” w.c.
CGi-25 & CGi-3
CGi-4
CGi-5
CGi-6 & CGi-8
CGi-7
Tri-Delta
Cleveland
Tri-Delta
Tri-Delta
Tri-Delta
PPS10171-3013
NS2-1047-09
PPS10171-3095
PPS10171-3096
PPS10171-3031
511-624-401
511-624-654
511-624-303
511-624-304
511-624-405
5 Control transformer 381-356-578
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
not shown
Wiring harness - J-box to control module Weil-McLain 591-391-975
not shown
Wiring harness - Thermostat Weil-McLain 591-392-006
not shown
Wiring harness - Water Temperature Sensor Weil-McLain 591-392-035
not shown
Wiring harness - Inducer motor to control module Weil-McLain 591-391-980