Description
This is a Brand New Carrier/Bryant/Payne 3" Main Limit Switch rated at 180 Degrees (L180-40) . The Part number is HH12ZB180 (designed to replace old part # HH12ZA178A). This Limit Switch goes on many Carrier Bryant & Payne gas furnaces. It will also fit some other systems with the same Temperature rating/Length! If it looks like your limit and your limit switch is approx 3" long and has the same Temp. ratings then this will work for you. Thanks for looking and good luck!
Function:
A limit switch is a safety device designed to shut down a piece of equipment. Limits have a set point, which is in some cases, adjustable. The set point prevents the temperature or pressure from exceeding the rating of the switch.
Replaces Old Part #s:
HH12ZA178A
Repair Difficulty Level:
Partial List of Units that Use This Item:
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