Thermal High Limit Switch 

  • Part # 115324-01
  • Limit switch used primarily on 150-170k BTU LP Forced Air Heaters
  • Replaces part #'s: 1550 and 113848-01  

  • If you are unsure if this is the correct switch, please send us your model & serial number and we will be happy to help.

  • This Is An Original Equipment Part, NOT an Aftermarket.

  • Also known as hi-limit switch. A Safety switch that will shut the heater down if the room temperature gets too hot.

Packed With Care

  • We have a Large Inventory of Heater Parts Available.

We are an Authorized Warranty and Service Center for Many Brands
Parts are Backed by The Manufacture's Warranty

We will be happy to assist you in finding your correct part(s). 

Please send us your Model and Spec number. We will look them up and get right back to you with your information
  • What you see online is only a fraction of what we carry.  We stock thousands of parts. 
  • Please contact us if you can’t find what you’re looking for and we will be happy to help.

We have been in the industry for over 30 years and we are committed to give the best customer service possible.