Need help with age of peerless oil burner

I need help with the age of a peerless oil fired boiler. I cannot seem to find it in prestons guide. The model number is Jo-3pfh-wpct and the serial number is jo 84479. please help thanks Scott Orofino

My tech book say’s: Last manufactured 1968, may have been taken over by Space Conditioning

Space conditioning: Last manufactured in 1970; out of business.
Hope this help a little

Thanks for the info. Ithought it might be a late 70 early 80s because it had en energy guide sticker but no ratings. thanks again

Turns out its 1983 76.7 afue peerless e-mailed me back. thanks for the help though.