Fenwal 05-100000-426 Ignitor Sensor installing a new B2832603 gasket

installing a new B2832603 gasket will likely resolve the issue

preventing high-side pressure from migrating to the evaporator

Check your unit's parts list or the existing switch faceplate

The 0379082 is rated for 400 PSI WOG (Water

Fenwal 05-100000-426 Ignitor Sensor installing a new B2832603 gasketThe Fenwal 05 100000 426 Ignitor Sensor is a critical replacement component designed for precise flame detection and reliable ignition cycles in gas fired HVAC systems. Engineered for high temperature environments, this sensor features a durable Kanthal flame rod that maintains signal integrity under constant thermal stress. It operates as a remote flame sensor, compatible with various Fenwal ignition modules and control boards that utilize flame