Style 1: CP 2530051
The Date of Manufacture is determined from the units CP/Serial Number which runs consecutively. The CP numbers are commonly found on a separate tag or sticker apart from the typical data tag.
We have included an abbrevbiated chart listing CP numbers from 1988 through 2009 (see below) for your convenience. In addition Weail-McLain also has a CP number Look-up Tool available on their wesite.
Note that 6-digit CP numbers are generally from the early 1980's and prior. The Look-up tool site below may be of assistance, but you will typically need to contact Weil-McLain directly for manufacture date assistance, or use other methods such as date stamps on the gas valve etc. Our History information below may also be of assistance to narrow the approximate range of manufacture.
Click To Go: CP # Look-up tool
You can also use the ANSI or CSA standards to determine approximate Date of Manufacture.
Most manufacturers today are required to include the manufacture compliance standard on the data tag. For the U.S. the compliance standard is typically from the American National Standards Institute (ANSI). For Canada, a common standard compliance is through the Canada Standards Association Group (CSA). Many times both standards are listed. Regardless, the specific standard will normally be listed on the data tag/plate and followed by the YEAR of the last revision (often the year is placed in parenthesis or follows the hyphen after the specific standard number). As these standards are revised or renewed approximately every 4 to 6 years, one can reasonably estimate the year of manufacture within 4-6 years from (after) the standards date.
If you still require further assistance in determining age or manufacture date, contact Weil-McLain at -(219) 879-6561 or (866) 783-9276 and ask for Technical Services.