Description
This is a Brand New Carrier/Bryant/Payne 3" Main Limit Switch rated at 190 Degrees (L190-40). The Part number is HH12ZB190 (Also replaces old #s HH12ZA189 HH12ZA189A HH12ZA193 HH12ZA193A & P331-2205). 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!
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:
HH12ZB190
Repair Difficulty Level:
Partial List of Units that Use This Item:
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