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What is the difference between the 42089 and the Y90AA-4211
The 90-340 switching relay is designed for 100% duty cycles in fan control and general appliance switching
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 What is the difference betweenThe 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
US$ 185.00
US$ 72.00
US$ 135.00
US$ 90.99
US$ 13.20
US$ 129.99
US$ 149.00
