Lochinvar & A.O. Smith 100304118 Control 319848-301 This photoelectric duct detector head

This photoelectric duct detector head is a standard component for the York SL-2000-P and is also compatible with SM-501 and RT-3000 series housings

By utilizing OEM wiring harnesses

While often used interchangeably in the field

80" WC pressure settings are sensitive to the specific venting requirements of high-efficiency furnaces

minimizing the risk of blow-by in high-head systems

Lochinvar & A.O. Smith 100304118 Control 319848-301 This photoelectric duct detector headThe Lochinvar 100304118 User Interface Control Board is a critical OEM replacement component engineered for precise communication between the technician and the boilers central processing unit. As a genuine Lochinvar boiler part, this interface allows for real time monitoring of HVAC parameters, sensor feedback, and modulation rates. Designed to integrate seamlessly with the SMART SYSTEM control architecture found in Knight, Cadet, and Armor series