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single-pole definite purpose contactor designed specifically for HVAC compressor and condenser fan motor switching
It offers superior heat dissipation and structural integrity compared to the original composite parts
Bypassing a safety limit switch is never recommended outside of momentary diagnostic testing by a qualified technician
546-inch junction lead
Proper installation of this Williams furnace part helps resolve common issues like "lazy" pilot flames or intermittent ignition caused by bracket vibration or displacement
MARS 43341 Pressure Switch single-pole definite purpose contactor designedThe MARS 43341 Low Pressure Switch is a high reliability, automatic reset control designed to safeguard compressors in commercial and residential HVAC R systems. Engineered with a tamper proof construction, this SPST close on rise switch features a factory set 5 PSI cut out (open) and a 20 PSI cut in (close) for precise low ambient protection and fan cycling control. This MARS 70 series equivalent is built for direct tubing mounting via a 1 4 inch SAE