Ceiling mount heater

67Dart440GT said

I just installed a big max in my garage this weekend. I don't have easy access to gas so I converted it to propane. I'm not super impressed with the heat coming out of it but I do need to adjust the gas pressures as it's different for propane. I'll give a better review later this week when I finish it.

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You can not simply adjust gas pressure, you must generally change the burner orifice(s) size(s) as well There should be a kit specifically for that from the manufacturer. Generally, it consists of a different spring or regulator top plate for the gas valve, and different orifices for the burner. There should be pressure readings on the heater nameplate