Weil-McLain CGa Series User Manual

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16 550-142-301/0123
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Boiler Components, continued
1 Gas valve
2 Pilot burner (not shown)
3 Main burners
4 Gas manifold/orices
5 Control module
6 Inducer (not shown)
8 Water temperature/LWCO sensor
9 Transformer
11 Air pressure switch
12 Rollout thermal fuse element
14 Circulator
15 Relief valve
16 Gauge (pressure/temperature)
17 Drain valve
CGi Series 4
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