How old is my Weil-McLain?
A serial number alone may not establish the age of your Weil-McLain equipment. Look for a manufacture date on the rating label, then check original documents or contact the manufacturer if the date is missing.
We recognize Weil-McLain. We’re still building its age decoder.
You can still scan the data plate to extract the brand, model and serial and check available recall information. We won’t guess the manufacture date.
Send three clear photos: the whole appliance, brand/model area and full data plate. Qualifying approved contributions earn 50 free successful lookups, valid for 12 months from approval.
Help us decode this brand — earn 50 free lookupsFind the date
- Find the rating label. Where to look on each kind of appliance.
- Take a photo of the whole label, or note the model and serial numbers.
- Use the lookup below. It is free, and no account is needed. A date is shown only when the available evidence supports it.
Weil-McLain appliances
How to find the age, the serial number, typical life and parts for each:
The range covers gas and oil boilers (cast-iron, high-efficiency condensing and combi models), commercial boilers including stainless firetube units, indirect-fired water heaters and storage tanks, boiler controls and baseboard, plus the ECO Hybrid system that pairs a heat pump with a boiler.
About Weil-McLain
Weil-McLain is an American maker of hydronic (hot-water) heating equipment and part of the HVAC group of SPX Technologies. It is best known for residential and commercial boilers, including cast-iron gas and oil boilers built in Michigan City, Indiana, and newer high-efficiency condensing and combi boilers.
- Owned by
- SPX Technologies (operating company WM Technologies LLC)
- Headquarters
- Burr Ridge, Illinois, USA
- Founded
- 1881
- Product lines
- Ultra, Evergreen, Evergreen Pro, ECO Tec, Simplicity, ECO Hybrid, SlimFit, SVF, Aqua Plus, Aqua Pro, 80/88/94 Series
Sister brands: Williamson-Thermoflo, Patterson-Kelley, Marley, Marley Engineered Products, Fahrenheat.
Weil-McLain history
- 1881: Brothers Isadore and Benjamin Weil started a business in Chicago that grew into the company.
- 1918: The Weil brothers bought the J.H. McLain Company, and the Weil-McLain name was created.
- 2001: SPX acquired United Dominion Industries, the business through which Weil-McLain came under SPX ownership.
- Today: Weil-McLain sits in the hydronics group of SPX Technologies alongside Patterson-Kelley and Williamson-Thermoflo, with plants in Michigan City, Indiana and Eden, North Carolina.
Weil-McLain recalls
Every Weil-McLain check is compared with Health Canada, U.S. CPSC and U.S. NHTSA recall notices.
Compare appliances and find parts
Browse weil-mclain appliances on Amazon Canada. Check size, features, seller and delivery availability before buying.
Search results may include other brands or models. Confirm parts fit your exact model.
As an Amazon Associate I earn from qualifying purchases.
