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It allows technicians to isolate the refrigerant in the condenser
it ensures the boiler's induction blower provides sufficient airflow before allowing the ignition sequence to proceed
technicians should always inspect and replace the mounting gaskets if they show signs of wear or compression set
it must be replaced with a genuine Williams P321826
Heil Quaker ICP 1177395 Kit Els PW 17895 It allows technicians to isolateThe Heil Quaker ICP 1177395 Spark Module Replacement Kit is a critical OEM ignition control upgrade designed for consistent pilot re ignition and burner sequencing in residential and light commercial furnaces. As a direct spark ignition (DSI) module, this kit replaces the legacy ICP 1177394 ignition board, addressing common failure points such as intermittent spark, "no heat" calls, and lockout errors. Operating on a standard 24VAC control circuit (50
US$ 110.00
US$ 144.50
US$ 2349.99
