Gas-Fired Water Boilers - Bay Area Service
2013-2-8 · GWC gas-fired water boiler — Boiler Manual 2 1 Integrated boiler control Theegrated int boiler control (IBC) responds to signals from the room thermostat, air pressure switch, inlet water sensor and boiler limit circuit to operate the circulators, gas valve, igniter and blower. When a room thermostat calls for heat, the IBC starts the
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