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Common Questions: Can this switch be used to fix a furnace that is short-cycling
including 40QKB and 42WKN series models
and critical low water conditions
What causes a "Fault" code or failure on these boards
Fenwal 35-605501-003 Control Refrigerant Common Questions: Can this switchThe Fenwal 35 605501 003 is a microprocessor based Direct Spark Ignition (DSI) control engineered for precision timing and reliable burner operation in gas fired appliances. This 24VAC module features a single trial ignition sequence (1 try) with a 7 second trial for ignition (TFI) and a 0 second pre purge, making it an ideal choice for systems requiring immediate spark response. Built for heavy duty HVACR applications, it utilizes DETECT A FLAME
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