New Member Need Help - How do I determine how old Raypak Heater is?

Mine is 1287032039
First 2 digits are month (or week not sure?), and second 2 digits are year. I know that for sure. It’s 1987. Still going strong 31 years!

If I would guess, it’s the 16th week in 2004.

Search ‘Raypak Serial Number’ to be sure, but send a model number and I can confirm for you a general age range.
 
Before 1995, it was month (first 2 digits) and then year (digits 3 and 4).

Beginning in 1995, they changed to year and month.

Serial number 1604304448 was made in April 2016.

You can call Raypak if you have any specific questions about your unit or to verify the date of manufacture.

Maybe see if it's registered for warranty.
 
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