Weil-McLain CGa Series User Manual

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15550-142-301/0123
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1 Gas valve
2 Pilot burner (Not shown)
3 Main burners
4 Gas manifold/orices
5 Control module
7 Vent damper (CGa only)
8 Water temperature/LWCO sensor
9 Transformer
10 Spill switch (CGa only)
12 Rollout thermal fuse element
13 Draft hood (CGa only)
14 Circulator
15 Relief valve
16 Gauge (pressure/temperature)
17 Drain valve
CGa Series 3
Draft - For Engineering Review ONLY Jan. 2023 HC

Weil-McLain CGa Series Specifications

General

Fuel Type	Natural Gas or Propane
Boiler Type	Cast Iron
Heat Exchanger Material	Cast Iron
Ignition System	Electronic Ignition
Vent Type	Atmospheric Vent
Operating Pressure	30 psi
Weight	Varies by model