- 
            Right Base, Black - H7594Lennox$497.86Right Base, Black for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Relief Door Assembly - Small, Epic - H3127Lennox$73.06Relief Door Assembly - Small, Epic for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Refractory, Ash Lip C41 - 164631ALennox$370.73Refractory, Ash Lip C41 for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Refractory, Ash Lip C36HC - 164685ALennox$344.31Refractory, Ash Lip C36HC for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Refractory, Ash Lip 46CF - 164595BLennox$210.89Refractory, Ash Lip 46CF for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Refractory, Ash Lip - 164577DLennox$378.99Refractory, Ash Lip for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Refractory Ash Lip - 164587BLennox$273.64Refractory Ash Lip for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Wall - J7888Lennox$507.47Rear Wall for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Wall - J1778Lennox$779.86Rear Wall for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Wall - J1761Lennox$697.68Rear Wall for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Vent Adaptor, PI10-ZCHPA - H5147Lennox$32.00Rear Vent Adaptor, PI10-ZCHPA for various IHP heating units. (Required for Horizontal Vent) Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Panel FHB50I - J6483Lennox$1,905.12Rear Panel FHB50I for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Panel Cut SRB42I - J7375Lennox$631.61Rear Panel Cut SRB42I for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Panel Cut SHB42I - J7376Lennox$631.61Rear Panel Cut SHB42I for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Panel Cut SHB36R - J7624Lennox$2,323.44Rear Panel Cut SHB36R for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
- 
            Rear Panel Cut SHB36I - J6065Lennox$1,905.12Rear Panel Cut SHB36I for various IHP heating units. Genuine OEM part May fit other models, please check your owner's manual for part number compatibility.
