Pay in 4 interest-free payments of $40.16 Learn more
Ships within 48 hours · Estimated delivery Sep 17 - Sep 22
Reliable Switching: SPST configuration provides a clean signal to the control board to verify draft induction
Automatic Reset Logic: Restores circuit continuity once the temperature drops to 120 degrees Fahrenheit
Field Durability: Housed in a NEMA 1 high-strength steel enclosure to withstand demanding mechanical room environments
it is critical to match the capacitance range (540-648 MFD) specified by the compressor manufacturer to prevent winding damage or start relay failure
Lochinvar & A.O. Smith 100111921 Relief Valve 321142-301 Reliable Switching: SPST configuration providesThe Lochinvar and A. O. Smith 100111921 Relief Valve is a critical safety component designed for high efficiency commercial boilers and water heaters. Engineered to meet strict ASME Section IV requirements, this pressure relief valve protects the heat exchanger and plumbing system from over pressurization by opening at its specific factory set PSI. This genuine OEM replacement part replaces older part numbers including 100111921 and RLVAL2409,