Description
Product Summary
The Carrier HH18HA452 is a limit switch / temperature control from Carrier, described by the manufacturer as: temperature rollout switch 250 degrees F manual reset SPST.
Limit switches and temperature controls open or close a circuit at a set temperature. They protect equipment from overheating and control fans, burners and pumps based on temperature. Replace a control that trips at the wrong temperature, will not reset, or shows open or closed when it should not with the temperature confirmed.
Before you order, match HH18HA452 to the part number on the part you are replacing or in your equipment's repair parts list, and confirm the voltage, size and connections match your equipment. If you are not sure which part your equipment needs, call us at 1.888.509.3391 with the model and serial number and we will confirm it for you.
Key Features
- Genuine Carrier part: Manufacturer part number HH18HA452, factory new.
- Part type: Limit Switch / Temperature Control.
- Ready to ship: In stock with live quantities shown on this page.
Frequently Asked Questions
Is this a genuine Carrier part?
Yes. This is the Carrier HH18HA452, a factory-new limit switch / temperature control from Carrier.
How do I make sure it fits my equipment?
Compare HH18HA452 with the part number printed on the part you are replacing or listed in your equipment's repair parts list, and confirm the voltage and connections match. If you are not sure, call us at 1.888.509.3391 with your model and serial number and we will confirm it.
Can I replace a limit with a different temperature rating?
No. Use the same opening and closing temperatures as the original. A different rating can create a safety hazard.
Should a professional install this part?
Yes. Gas, electrical, hydronic and combustion components should be installed by a qualified technician who can test the system afterward and follow the codes that apply where you live.
