Weil-McLain was founded in 1881 by two brothers under the name Weil Brothers. In 1918 the brothers bought out one of their suppliers (JH McLain company) and renamed the company Weil-McLain. United Dominion purchased Weil-McLain in 1993. SPX Corporation purchased Weil-McLain in 2001.
Product LinesWeil-McLain has recently expanded their product line-up to include 80% and 90% AFUE furnaces, 13 and 14 SEER air conditioners, and air handlers. The Weil-McLain Ultra is a high-efficiency condensing gas boiler.
Weil-McLain has manufacturing plants in Michigan City, IN and Benton Harbor, MI.
Weil-McLain's WarrantyWeil-McLain offers the following warranties:
Ultra Gas Cast Aluminum Boilers
- Residential Warranty: Limited 15 Year (comes with a free 5-year parts and labor warranty)
- Commercial Warranty: Limited 15 Year (does not come with 5-year parts and labor warranty)
Residential & Commercial Cast Iron Boilers
- Residential Water Warranty: Limited Lifetime
- Residential Steam Warranty: Limited 10 year
- Commercial Warranty: Limited 10 Year
Air Conditioners (13 and 14 SEER)
- 5-year limited parts warranty
- 10-year limited Compressor Warranty
Furnaces
- 5-year limited parts warranty
- 20-year limited heat exchanger warranty
Air Handlers
- 5-year limited warranty
- See Also:
- Heating
- Boilers
- GV Series
- Ultra 3 Series


