This is a Brand New Carrier/Bryant/Payne 3" Main Limit Switch rated at 210 Degrees (L210-40). The Part number is HH12ZB210 (Replaces old #s HH12ZA210 and HH21ZA210A). This Limit Switch goes on many Carrier Bryant & Payne gas furnaces. Thanks for looking and good luck!
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:
Repair Difficulty Level:
Partial List of Units that Use This Item:
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