Williams Vent Limit Switch for Furnaces 202034887

Product Description

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