Lochinvar & A.O. Smith 100278092 Switch 321894-709 Advanced vibration dampening through high-density

Advanced vibration dampening through high-density rubber construction to protect core system components

Selectable dual fuel control simplifies the management of heat pump and gas furnace combinations

Always ensure the motor shaft is clean and free of burrs before installation

Ensure your controller is scaled correctly to interpret the 4-20mA signal across this specific amperage span for accurate data logging

Lochinvar & A.O. Smith 100278092 Switch 321894-709 Advanced vibration dampening through high-densityThe Lochinvar & A. O. Smith 100278092 Switch is a critical safety and operational component designed for high performance commercial boilers and water heaters. As a factory authorized OEM flow switch, this assembly ensures the burner circuit only energizes when adequate water velocity is detected, protecting the heat exchanger from dry fire conditions and thermal stress. The unit comes integrated with a durable brass tee specifically sized for CC120