Venting

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

Cold Air Collar Kit 8" Diameter, Double Wall - 8" Chimney 8" Diameter, Double Wall - CAK-8 Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Anti-Draft Shield for Round Top Only 8" Diameter, Double Wall - ADS-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Instructions Genuine OEM Part

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

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

Round Top with Slip Section & Louvers 8" Diameter, Double Wall - RLTT-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

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

Storm Collar (20 ea.) 8" Diameter, Double Wall - SC1-20 Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Roof Support (Use with flashing) 8" Diameter, Double Wall - 38RS Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Firestop Thimble (Use when offsetting through a joist) 8" Diameter, Double Wall - FST30 Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Firestop Thimble (Use when penetrating a joist) 8" Diameter, Double Wall - 38FST Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

Roof Flashing 0 to 6/12 Pitch (24" Base) 8" Diameter, Double Wall - V6FS-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

1" Clearance Firestop Spacer ( 24ea.) 8" Diameter, Double Wall - 3600FS-8DM-24 Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part

30 Degree Firestop Spacer 8" Diameter, Double Wall - 30FS-8DM Works with 8 Inch Chimney Systems from the IHP family of heating units: Astria, Ironstrike, Superior, Lennox and more. Genuine OEM Part