Lochinvar & A.O. Smith 100233264 Bulbwell This temperature limit switch provides

This temperature limit switch provides the reliability field technicians require for reducing callbacks and maintaining peak system efficiency during heavy heating cycles

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

What is the difference between the 42089 and the Y90AA-4211

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

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

Lochinvar & A.O. Smith 100233264 Bulbwell This temperature limit switch providesThe 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