MARS 33266 Relay 322055-301 This is a manufacturer-specific part

This is a manufacturer-specific part

What causes a close-on-fall pressure switch to fail

where precise orifice sizing is essential for preventing soot buildup and ensuring reliable thermal transfer across the heat exchanger

Its integrated mounting bracket ensures stability against vibration and mechanical stress

The Williams P320758 Pilot is a critical OEM furnace replacement part designed for precision ignition in Williams wall furnaces and high-performance heating systems

MARS 33266 Relay 322055-301 This is a manufacturer-specific partThe MARS 33266 is a heavy duty DPST Time Delay Relay engineered for precision timing in residential and commercial HVACR systems. As a veteran grade electric heat sequencer relay, this component is designed to manage high current 240V electrical loads, providing critical protection for compressors and fans by preventing short cycling. By implementing a consistent time delay for HVAC compressors, it mitigates the mechanical strain caused by rapid