the 1177800 interface board prevents erratic cycling and protects the blower assembly from premature failure due to signal degradation

35" WC set-point

This assembly commonly fits models in the YCX and YCP series

a restricted filter drier

this unit facilitates a 45-degree rotation

Fenwal 35-705700-001 Control 30067439-890 the 1177800 interface board preventsThe Fenwal 35 705700 001 is an industrial grade 120V Direct Spark Ignition (DSI) control module designed for a variety of gas fired appliances including commercial cooking equipment, boilers, and infrared burners. Utilizing a microprocessor control circuit, this unit delivers precise timing and consistent operating sequences for reliable burner starts. This ignition control module is configured for a 4 second Trial for Ignition (TFI) and operates as a