Need manual for old sidewall heater.

Hotspur

Can anyone come up with a manual for this sidewall heater, please - so that I can learn how to get access (from the outdoors side) to the where the flue passes through the wall?

Manufacturer: Commonwealth Co., Alhambra, Calif.
Model: CTV 23, OPT. NAT.
Ser. No.: 23 MN 11 62

Tim McElwain

Take a picture of the front of the unit and also the rating plate.

Hotspur

Here are photos of the heater for which I need the manual.

Manufacturer: Commonwealth Co., Alhambra, Calif.
Model: CTV 23, OPT. NAT.
Ser. No.: 23 MN 11 62