Pay in 4 interest-free payments of $13.46 Learn more
Ships within 48 hours · Estimated delivery Aug 31 - Sep 5
This OEM Carrier replacement part functions as a normally closed SPST disc limit switch
and utilizes a user-selectable 0-5 VDC or 0-10 VDC output for maximum controller compatibility
ensuring a drop-in fit for existing industrial and commercial steam process headers
The NKQB24-SR uses electronic capacitors for the fail-safe function rather than a mechanical spring
and all necessary mounting hardware to ensure a 1:1 fit with Williams furnace models 3509821
MARS 43305 Pressure Switch 323080-701 This OEM Carrier replacement partThe MARS 43305 Pressure Switch is a high performance condenser fan cycling switch engineered for precision control in HVACR refrigeration units and air conditioning systems. Featuring a Single Pole Single Throw (SPST) configuration, this switch is designed to open on pressure fall at 190 PSI and close on pressure rise at 275 PSI. Built with a hermetically sealed sensor and tamper proof construction, it provides reliable fan cycling control in
US$ 71.95
US$ 179.00
US$ 349.50
US$ 155.95
US$ 71.95
US$ 98.95
