Venting

Starter Collar Increaser [4x6 5/8 to 5x8] - 946-605 for gas venting Genuine OEM Part

5" x 8" DVP Direct Vent Termination Kit goes to the following models: DVP-RVTK DVM-RVTM DVP-HVTK DVP-HSFTK DVP-TRFK Instructions  

Hi-Temp Round Top with Mesh Screen and Slip Section 8" Diameter, Double Wall - RTT-8HT Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Hi-Temp Round Top with Mesh Screen 8" Diameter, Double Wall - RT-8HT Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Hi-Temp Chimney Support (For Use With Chimney Heights In Excess of 30') 8" Diameter, Double Wall - 12S-8HT Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

30 Degree Hi-Temp Offset and Return 8" Diameter, Double Wall - 30E-8HT Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

24" Section Hi-Temp Double Wall Pipe Snap Lock 8" Diameter, Double Wall - 24-8HT Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

12" Section Hi-Temp Double Wall Pipe Snap Lock 8" Diameter, Double Wall - 12-8HT Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

30 Degree 12" HT Offset and 8" HT Return 8" Diameter, Double Wall - 30E-12HTO-8HTR Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

12" Conversion pipe from FMI to LHP 8" Diameter, Double Wall - 12-8DM-FMI-LHP Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

30 Degree 12" DM Offset and 8" DM Return 8" Diameter, Double Wall - 30E-12DMO-8DMR Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Square Top 8" Diameter, Double Wall - Black 8" Diameter, Double Wall - ET-8DM-K Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

"B" Vent Transition Collar 8" Diameter, Double Wall - 8" Chimney 8" Diameter, Double Wall - BTC-8 Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part