Pay in 4 interest-free payments of $14.37 Learn more
Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
protecting the heat exchanger from dry-fire conditions
which is essential for rapid circuit diagnostics
this module is specifically calibrated for a 3/4HP ECM motor
How do I adjust the heat temperature limits for specific applications
Carrier HH19ZA940 Limit Switch 321142-301 protecting the heat exchanger fromThe Carrier HH19ZA940 Limit Switch is a critical OEM safety component engineered for precise thermal regulation within Carrier fan coil units, packaged systems, and secondary heating assemblies. This 85 140 degree limit switch operates as a normally closed (NC) safety, opening the circuit when the sensed temperature exceeds 140F to prevent heat exchanger or coil damage. Once the system cools back to 85F, the automatic reset limit switch closes the
US$ 119.99
US$ 189.99
US$ 99.99
US$ 69.99
US$ 129.99
US$ 189.99
US$ 116.00
US$ 125.00
US$ 115.00