Williams P321127 Vent Limit Switch for Furnaces
Item #: P321127 by Williams
$235.02 /each
Buying in bulk

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Williams P321127 Vent Limit Switch for Furnaces
Item #: P321127 by Williams
30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.
HVAC Product Type
HVAC Part
Product Width (in.)
2
Brand/Model Compatibility
Select Williams Furnaces
Product Height (in.)
6
Pack Size
1
Product Depth (in.)
1
Warranty
Refer to Williams’ “Limited Warranty†for details.
Manufacturer Warranty
Refer to Williams’ “Limited Warranty†for details.
UNSPSC
40101800
The Williams Vent Limit Switch for Williams' Furnaces has gold-plated switch contacts. It senses the furnace vent temperature and shuts off the appliance if it is not venting correctly. This is an important safety device for your wall heater.
- Vent limit switch, which is also referred to as a fan limit switch and is typically shaped like a small metal disc, prevents damage to your furnace by shutting the furnace down in the event that it overheats, this prevents the heat exchanger from warping and cracking from temperatures that are too high
- Compatible with Williams furnace models: 3508331, 3508332, 3508731, 3508732, 5008731, 5008732, 5508331, 5508332, 6508731, 6508732
- Board-mounted design with switch mounted on the extension straps
- Original factory part
This product can expose you to chemicals including epichlorohydrin, which is known to the State of California to cause cancer and birth defects and/or other reproductive harm. For more information go to www.p65warnings.ca.gov