MARS 33266 Relay 322055-301 Code Compliance: Designed to meet

Code Compliance: Designed to meet CSD1 requirements and UL-353 Limit Control standards for 120V supply voltages

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

ensuring long-term reliability in demanding commercial and residential environments

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

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

MARS 33266 Relay 322055-301 Code Compliance: Designed to meetThe 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