Tempstar serial age
Manufacture date from the rating-plate serial. Same family as Heil, Comfortmaker. A printed MFR date on the plate still wins.
Tempstar
Type the serial off the rating plate. Spaces and hyphens are ignored. Manufacture date is not the install date.
Diagnose this call
Age is open. The walkthrough is the seat.
Where the plate is
Same ICP-family serial as Heil.
Styles
Current
E072514528
Letter + year + week. Same read as Heil / Comfortmaker.
Same date-code family: Heil, Comfortmaker.
Cross-checked against Tempstar HVAC age. FieldBench does not host or republish that page. Letter charts we could not verify are linked out instead of invented.