Lochinvar & A.O. Smith 100233264 Bulbwell which is standard for the

which is standard for the 2473/M573 actuator series to ensure proper torque and valve seating force

The 90-340 switching relay is designed for 100% duty cycles in fan control and general appliance switching

Tripping is typically caused by inadequate airflow

Durable Construction: Heavy-duty housing designed to withstand the thermal demands of heating and cooling equipment

Using non-spec parts can lead to improper fan cycling or safety limit trips

Lochinvar & A.O. Smith 100233264 Bulbwell which is standard for theThe 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