Direct OEM Fitment: Engineered to the exact electrical and physical footprints of 50HE series units

Key Benefits: OEM Compatibility: Exact drop-in replacement for propane-configured Williams 14K

System Reliability: Protects against pressure loss and external leakage in pilot-operated regulators

Should I replace this gasket during every burner service

Trane RLY1663 Relay 319848-301 Direct OEM Fitment: Engineered toThe Trane RLY1663 Relay is a heavy duty, field proven HVAC enclosed relay designed for demanding commercial and residential applications. Operating at a 240V coil voltage with a 5A contact rating, this 3PDT general purpose relay provides critical isolation and switching for complex circuitry in air conditioners, heat pumps, and furnaces. The unit features fine wire gauge coils and a coil molded polyester housing to resist environmental degradation and