Fenwal 35-725200-005 Control Freon maintaining a pressure-tight seal at

maintaining a pressure-tight seal at the mounting point of the safety limit is critical

This time delay relay (TDR) board is the primary furnace fan control board responsible for managing the startup and shutdown timing of the blower motor

reversing this order sets it for heating

While this specific model is noted for no neg# fitting (typically referring to the secondary port configuration on certain variations)

Fenwal 35-725200-005 Control Freon maintaining a pressure-tight seal atThe Fenwal 35 725200 005 is a robust 120V Direct Spark Ignition (DSI) control module engineered for high reliability startups in gas fired heating equipment. This micro processor based control is a critical OEM replacement ignition module for residential and commercial furnaces, boilers, and water heaters. Operating on a single try ignition sequence with a 10 second Trial for Ignition (TFI), it ensures precise flame detection and lockout control. The