Lochinvar & A.O. Smith 100208181 Rollout Switch 319847-401 this component performs a vital

this component performs a vital safety function by monitoring both negative and positive pressure conditions within the combustion assembly

Ammonia will cause rapid corrosion of the copper capillary and brass sleeve

Built with a rugged brass body and a stainless steel ball seat

this 24 volt zone damper can be field-converted to power-open if your specific zoning system logic requires it

This relay is typically used in Daikin-McQuay chillers and air handling units for pilot duty switching

Lochinvar & A.O. Smith 100208181 Rollout Switch 319847-401 this component performs a vitalThe Lochinvar & A. O. Smith 100208181 Rollout Switch is a critical OEM replacement part designed for high efficiency boilers and water heaters. As a 280F Manual Reset Rollout Switch, it serves as a primary thermal safety control, monitoring the burner area for flame rollout conditions. When temperatures exceed the 280 degree Fahrenheit threshold, the 100208181 switch breaks the electrical circuit, immediately shutting down the combustion process to