Skip to main content
Vent Limit Switch for Furnaces

Roll over image to zoom in

  • Product Features

  • Product Overview

  • Related Videos

  • Reviews

  • Questions & Answers

Williams P321127 Vent Limit Switch for Furnaces

Item #: P321127 by Williams

See reviewsSee reviews

$235.02

/each
SAVE UP TO 23.50

Buying in bulk

Special Order*Usually ships in 1-2 weeks
QTY
–
+
+ Add to Wishlist
Buy in Bulk & Save - See How Watch Now
Large Order Quote

Shop with Confidence

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.

Safe Payment
Features

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

Product Overview

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