Lochinvar & A.O. Smith 100278092 Switch 321894-709 The tapped retainer cap includes

The tapped retainer cap includes a 1/4" closure plug for easy blow-down cleaning without removing the unit from the line

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

and 1HA0443

Compact frame design fits standard Aaon electrical sub-panels and DIN rail mounts

Lochinvar & A.O. Smith 100278092 Switch 321894-709 The tapped retainer cap includesThe 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