Description
This is a New Carrier/Bryant/Payne 3" Main Limit Switch rated at 250 Degrees (L250F-40) . The Part number is HH12ZB250 (also 1NT23L-3651). This Limit Switch goes on many Carrier Bryant & Payne gas furnaces. 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:
HH12ZB250 1NT23L-3651
Repair Difficulty Level:
![difficulty graph](https://cdn11.bigcommerce.com/s-90gh8trf/product_images/uploaded_images/wrench1.png)
Partial List of Units that Use This Item:
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