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Switches & ButtonsSwitches & ButtonsSwitches & Buttons
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW
Part Category
Switches & ButtonsSwitches & ButtonsSwitches & Buttons
Cool,Calm and Collected- Real OEM HVAC Pars Are in Season! SHOP NOW

Carrier HVAC HH19ZA940 Limit Switch/Thermostat, 85-140F, Auto Reset

Carrier HVAC
  • Mfr Part # HH19ZA940
  • Parts Town # CRRHH19ZA940
  • Quantity0

Out of stock, but not out of mind! Place your order now and we'll get it to you ASAP.

Carrier HVAC HH19ZA965 Limit Switch/Thermostat, 115-165F, Auto Reset

Carrier HVAC
  • Mfr Part # HH19ZA965
  • Parts Town # CRRHH19ZA965
  • Quantity0

Out of Stock, backorders usually ship in 10-12 days.

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Carrier Replacment Switches and Buttons

Carrier 's diverse range of HVAC solutions is tailor-made for various environments, ensuring optimal temperature control. This is precisely why Parts Town carries the most in-stock real OEM Carrier replacement switches & buttons, eliminating any potential for downtime in your operations.

We offer genuine OEM switches and buttons exclusively, enhancing the efficiency of your HVAC system with components designed for your specific model. This ensures a smooth repair process, providing you with the assurance that you're purchasing the correct part for your Carrier HVAC system.

What do Switches do in an HVAC System?

Within an HVAC setup, switches play a crucial role in managing the system's operations, including the initiation and cessation of the system, fine-tuning of temperatures, shifting among various modes like heating, air conditioning, and fan, and determining the fan's intensity. This array of controls allows residents to adjust the indoor atmosphere to their preferred comfort level and enables the activation of additional features such as energy-efficient modes, timed automatic functioning, and the improvement of air quality through advanced filtration and circulation features.

What are the Different Types of HVAC Switches?

There are two types of switches that are used within an HVAC system: pressure switches and degree limit switches. Pressure switches are used to close an electrical contact once a certain pressure is reached. Similarly, degree limit switches are used to help control the temperature within an HVAC system once a certain limit is reached.

What are Pressure Switches Used For?

In HVAC systems, pressure switches are employed to maintain the compressor's pressure within safe limits. They act as safeguards, preventing the system from hitting pressure levels that could be deemed dangerous during operation.

What is an HVAC Float Switch?

An essential component in preventing water damage, the HVAC float switch—often referred to as the AC safety switch or the condensate overflow switch—detects and stops overflow in the drip pan by monitoring issues with the air conditioner's drain.

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