Fenwal 35-655605-013 Control 326058-758 Always use a manometer to

Always use a manometer to verify these pressures at the outlet tap during commissioning

While jumping the switch can confirm a diagnostic theory

On a loss of signal or air pressure

For technicians performing annual tube cleaning or full system overhauls

Does this harness include all necessary wires for the control board

Fenwal 35-655605-013 Control 326058-758 Always use a manometer toThe Fenwal 35 655605 013 Control is a microprocessor based 24V Hot Surface Ignition (HSI) module engineered for precise sequence management in gas fired heating equipment. This OEM grade ignition board features a three trial ignition (3TRY) sequence and 7 second Trial for Ignition (TFI) period, ensuring reliable burner light off even in demanding environments. Designed with 0 seconds of pre purge (0sPP), it provides immediate ignitor heat up upon a