compatibility is determined by the specific thermostatic element and cartridge installed for R-22

preventing energy loss and protecting downstream piping from water hammer and corrosion

at which point the SPST circuit closes to signal the control board

Key Benefits Enhanced Compatibility: Engineered to interface seamlessly with R4166

including model CP 991 to 2071 commercial pool heaters and compatible boilers

Fenwal 35-605601-001 Module Freon compatibility is determined by theThe Fenwal 35 605601 001 is a robust 24V direct spark ignition control designed for precise combustion management in gas fired heating systems. This microprocessor based module is engineered with a 4 second Trial for Ignition (TFI) and operates with 0 second pre purge, ensuring immediate ignition sequences for high demand applications. As a veteran technician knows, the Series 35 60 architecture offers superior timing repeatability compared to older