HHT Micore Hearth Extension - 5 Pack Reliable hearth protection for wood-burning fireplaces Enhance fireplace safety with the HHT Micore Hearth Ext...

HHT Refractory Panels for Majestic Ashland Wood-Burning Fireplaces Durable Decorative Panels for Lasting Performance Install decorative panels in y...

HHT Pioneer II Outside air elbow kit (used to offset outside air starting collar) Trusted hearth performance, built to last. Choose the HHT Pioneer...

HHT Gas Insert 14-1/2" Round Flashing Adapter Kit for Class A Wood-Burning Pipe Convert Your Class A Chimney for Gas Inserts with a Secure, Profess...

HHT Colinear 30/30 Direct Vent Termination Kit with Faux Copper Cap Complete Gas Insert Venting Kit with Dual 30' Liners and Decorative Chimney Cap...

HHT Colinear 30/4 Direct Vent Kit with Black Termination Cap Complete Chimney Venting Kit for Gas Fireplace Inserts with 30' and 4' Flexible Liners...

HHT Colinear 30/30 Direct Vent Termination Kit with Black Termination Cap Complete Chimney Venting Solution for Gas Fireplace Inserts with Dual 30'...

HHT Colinear 30/4 Direct Vent Termination Kit with High-Wind Vertical Cap Complete Gas Fireplace Insert Vent Kit with Flexible Liners and High-Wind...

HHT Colinear 30/30 Direct Vent Termination Kit with Stainless Steel Vertical Cap Complete Gas Fireplace Insert Vent Kit with Dual 30' Liners and Du...

HHT Exterior Heat-Zone Brick Extension Kit for HEAT-OUT-GAS Essential Extension Kit for Installing HEAT-OUT-GAS Through Brick or Thick Exterior Wal...

HHT ADP-CK30 Adapter Kit for CK-30 Steel Cabinet with Pedestal Base Required Adapter Kit for Installing Compatible Gas Inserts in the CK-30 Cabinet...

HHT IntelliFire Wi-Fi Module for Smart Fireplace Control | IFT-WFM Control Your Fireplace Anytime, Anywhere with the IntelliFire Smart Wi-Fi Module...

HHT Crushed Glass Media for Majestic & Heat-N-Glo Contemporary Gas Burners Modern Fireplace Style with Reflective Glass Ember Media Enhance you...

HHT AKD Outside Air Kit with Access Door (Part #AKD) Enhance Fireplace Efficiency with Dedicated Outside Combustion Air Improve fireplace performan...

HHT AK4 Outside Air Kit for Majestic & Monessen Fireplaces Improve Fireplace Efficiency with Dedicated Outside Combustion Air Boost fireplace p...

HHT 30° Wall Firestop Spacer for SL300 Chimney Pipe Safe Wall Penetration for Angled Chimney Installations Ensure safe, code-compliant chimney inst...

HHT Vinyl Siding Protection Kit for DVP-TRAP Termination Caps Protect Your Home’s Exterior from Vent Heat Damage Prevent heat damage to your home’...

HHT SLP & DVP Attic Insulation Shield (6 Pack) – Vent Pipe Safety Component Protect Your Attic & Vent System with Code-Compliant Insulation...

HHT SLP & DVP Attic Insulation Shield – Vent Pipe Safety Component Protect Your Attic & Vent System with Code-Compliant Insulation Shieldin...

HHT Black Trapezoid Termination Cap for SL300 Chimney Pipe Durable Chimney Cap Protection for Flat Chase Installations Complete your chimney system...

HHT Trapezoid Termination Cap for SL300 Chimney Pipe Durable Chimney Cap Protection for Flat Chase Installations Complete your chimney system with ...

HHT Round Termination Top Adapter Kit for Chimney Shrouds Seamless Connection for Shroud-Compatible Chimney Terminations Upgrade your chimney syst...

HHT DVP Vinyl Siding Shield for Horizontal Terminations (TRAP-VSS) Protect Your Siding from Heat & Ensure Clean Vent Terminations Protect your...

HHT DVP Top Louver for Trap Cap Terminations (TRAP-LV) Enhance Vent Termination Performance with Proper Airflow & Protection Complete your ven...