Most currently manufactured Reznor units can be field converted to propane from natural gas fueled (and vice versa). Conversion kits for some older models are no longer available. See our list of current and discontinued Model Numbers in the FAQ section. If you know the model number, click it below for an instruction manual on gas conversion. You will need Adobe Acrobat Reader on your computer to view these documents.
Models F, FE, B, BE
Models UDAP, UDAS, UDBP, UDBS
Most Other Models
Models FT, SFT
For information on other units, send us an E-Mail .
WARNING: Improper installation, adjustment, alteration, service or maintenance of any heating appliance can cause property damage, injury or death. Read the manufacturer's installation, operation and maintenance manual before installing or servicing any heating appliance. Installation and service of any heating appliance should only be performed by a qualified and licensed hvac contractor.