Fenwal 35-679655-551 Control Freon This unit features standard 1/4-inch

This unit features standard 1/4-inch quick-connect terminals for the coil and heavy-duty box lugs/screws for the line and load connections

Broad Compatibility: Supports RTU/AHU

Key Benefits for Technicians Precise Timing: Factory-set 10-second TFI and 15-second prepurge optimize burner safety and efficiency

For Series 21 systems

Installation Flexibility: Includes 30-inch leads and a top conduit connection for versatile mounting

Fenwal 35-679655-551 Control Freon This unit features standard 1/4-inchThe Fenwal 35 679655 551 Ignition Control is a heavy duty, microprocessor based hot surface ignition (HSI) module engineered for commercial and industrial gas fired appliances with combustion chambers exceeding 400,000 BTU. Operating on a 24 VAC input, this control provides precise timing sequences for pre purge, inter purge, and post purge cycles, ensuring volatile gases are cleared before and after the trial for ignition (TFI). As a CSD 1 compliant