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Part Number 550-142-300/0520
63
CGa Series 3 Gas-Fired Water Boiler — Boiler Manual
Replacement parts — controls
12f
Figure 35 Gas control components
Item
number
Description Boiler model Part number
Natural gas components
1 Gas Valve, ½” x ½”
Gas valve,
¾” x ¾”
CGa-25 through CGa-6
CGa-7 & CGa-8
511-044-381
511-044-382
2 Pilot kit w/orice & aluminum pilot gas tubing 511-330-218
Liqueed Petroleum (Propane) gas components
1
Gas Valve,
¾” x ¾”
Gas Valve,
¾” x ¾”
CGa-25 through CGa-7
CGa-8
511-044-356
511-044-366
2 Pilot kit w/orice & aluminum pilot gas tubing 511-330-273
Natural gas and Liqueed Petroleum (Propane) gas components
3 Control Module - Natural gas
- Liqueed Petroleum (Propane) gas
381-330-039
381-330-038
not shown Wiring Harness, Junction box to Control Module 591-391-975
not shown Wiring Harness, Controls to Control Module 591-391-977
not shown Wiring Harness, Thermostat 591-392-006
not shown Wiring Harness, Water Temperature/LWCO Sensor 591-391-995
4 Control Transformer 381-356-578
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