Lochinvar & A.O. Smith 100233264 Bulbwell This OEM York replacement part

This OEM York replacement part features a standardized SPDT configuration designed to disrupt the burner circuit if heat exchanger temperatures exceed safe operating parameters

Maintains safety protocols by verifying adequate airflow before ignition

the 20162904 ensures precise thermal response and electrical continuity within the furnace control circuit

Its precise dimensional tolerances allow for a flush fit

This HVAC pneumatic fitting is essential for maintaining seat-to-plug alignment and ensuring that your Honeywell pneumatic controls function as intended within a pressurized air distribution network

Lochinvar & A.O. Smith 100233264 Bulbwell This OEM York replacement partThe Lochinvar 100233264 Bulbwell is a precision engineered immersion well designed for accurate temperature sensing in commercial boilers and water heaters. As a direct OEM replacement part, this component ensures the aquastat sensor or thermostat bulb is properly isolated from the high pressure system fluid while maintaining optimal thermal conductivity. This specific model is functionally identical to Lochinvar TST2301 and TST2301K, providing a