69Ω main and 9

The Reznor 123974 Fan Switch is a precise thermal control engineered for gas-fired unit heaters and duct furnaces

17 to 6 inches water column for site-specific calibration

Explosion-Proof Rating: Designed to meet stringent safety requirements for hazardous locations and industrial settings

Common Questions: Is the gasket included with the 20170903AS cover

York S1-029-25430-000 Detector 323613-751 69Ω main and 9The York S1 029 25430 000 smoke detector is a critical engineering component designed for high performance HVAC duct smoke detection. This genuine OEM replacement part features a photoelectric sensor specifically calibrated to monitor air streams within residential, commercial, and industrial air handling systems. By utilizing advanced smoke sensing technology, this unit triggers immediate system shutdowns or alarm sequences when combustion