Lochinvar & A.O. Smith 100278092 Switch 321894-709 Selectable dual fuel control simplifies

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

Simplified Installation: Features a drop-in design that requires no additional capacitors or complex field wiring adjustments

and 1HA0443

this protector is engineered to operate on both line frequencies

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

Lochinvar & A.O. Smith 100278092 Switch 321894-709 Selectable dual fuel control simplifiesThe 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