CGi Manual

Part Number 550-142-302/0520
CGi
SERIES 4 — GAS-FIRED WATER BOILER — Boiler Manual
68
12f
Figure 43 Gas control assembly
Replacement parts — controls
Item
number
Description Boiler model 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
511-044-381
511-044-381
511-044-353
511-044-353
2 Pilot kit w/orifice & aluminum pilot gas tubing 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
511-044-354
511-044-354
511-044-355
511-044-355
2 Pilot kit w/orifice & aluminum pilot gas tubing 511-330-081
Natural gas and propane gas components
3 Control module 381-330-040
not shown
Wiring harness - Controls to control module 591-391-978
4 Air pressure switch
CGi-25
CGi-3
CGi-4
CGi-5
CGi-6
CGi-7
CGi-8
381-359-280
381-359-280
381-359-281
381-359-282
381-359-283
381-359-284
381-359-285
5 Control transformer 381-356-578
not shown
Tubing, air pressure switch, 0.12 I.D. silicone
red, to collector hood
white, to transition
590-317-650
590-317-651
not shown
Wiring harness - J-box to control module 591-391-975
not shown
Wiring harness - Thermostat 591-392-006
not shown
Wiring harness - Water Temperature Sensor 591-391-995
not shown
Wiring harness - Inducer motor to control module 591-391-980