HVAC temperature switches regulate system temperatures to prevent overheating and ensure safe operation. Replacing faulty furnace or AC temperature switches maintains efficiency, safety, and reliable HVAC performance.
-23%International Comfort Products 1087749 Temperature Switch 306°F/152°CSpecial Price $19.56 Regular Price $25.43
-13%
-10%
-23%International Comfort Products 1177659 Temperature Switch 130°F Open 100°F CloseSpecial Price $44.84 Regular Price $58.29
-23%Carrier HH18HA120 Temperature Switch 120°F-30°FSpecial Price $41.44 Regular Price $53.87Out of stock- -13%Dwyer Instruments TS-13010 Digital Temperature Switch 16 A -58°F-302°F 110VSpecial Price $165.75 Regular Price $190.62
- -13%Dwyer Instruments TS-13011 Digital Temperature Switch 110 VACSpecial Price $165.75 Regular Price $190.62
- -13%Dwyer Instruments TS2-010 SPDT Digital Temperature Switch 110VSpecial Price $81.71 Regular Price $93.97
- -10%Johnson Controls A28PJ-1 2-SPST Temperature Switch 30°-110°F NEMA 4X Penn SeriesSpecial Price $398.13 Regular Price $441.93
- -13%Danfoss 060L113766 SPDT Temperature Switch 32°F-95°F 78" Cap KP75Special Price $115.12 Regular Price $132.39Out of stock
HVAC Temperature Switch Replacement Components for Electrical Systems
HVAC temperature switches are essential for regulating and maintaining safe temperatures in heating, ventilation, and air conditioning systems. They monitor system temperatures and trigger control actions to prevent overheating, ensuring furnaces, air conditioners, and other HVAC equipment operate efficiently while protecting components and maintaining occupant comfort.
A furnace temperature limit switch monitors internal furnace temperatures and shuts down the burner if temperatures exceed safe levels, preventing damage and potential hazards. Similarly, an AC temperature switch helps regulate cooling system operation by monitoring evaporator or condenser temperatures, ensuring consistent airflow, and preventing system overwork.
Signs of a failing temperature switch include frequent system shutdowns, uneven heating or cooling, or components failing to turn on or off. Timely replacement and proper maintenance ensure accurate temperature control, safe operation, and extended system life. Regular inspection helps maintain efficient, reliable, and safe HVAC performance in both residential and commercial environments.
At PartsHnC, we offer digital temperature switches, SPDT low temperature switches, temperature actuating switches, and pneumatic temperature switches. Compatible with trusted brands like Carrier, United Electric, Barksdale, Amana-Goodman, and Fenwal for precise and reliable HVAC temperature control.
FAQs
How do I know if a furnace temperature limit switch is failing?
Signs include frequent system shutdowns, uneven heating, failure to turn on or off, or overheating of furnace components.
Can an AC temperature switch affect cooling performance?
Yes, a faulty AC temperature switch can cause inconsistent cooling, system shutdowns, or inefficient airflow.
How often should HVAC temperature switches be inspected?
They should be checked during routine maintenance to ensure accurate temperature monitoring and prevent system malfunctions or safety issues.
How do I test an HVAC temperature switch?
Use a multimeter to check continuity or resistance while the system is operating; the switch should open or close according to temperature changes.
Can a faulty temperature switch damage my HVAC system?
Yes, a malfunctioning switch can allow overheating or improper cycling, potentially damaging the furnace, AC, or other HVAC components.
Loyalty Program








