HHT Insulated Outside Air Flex Duct Ensure safe and efficient airflow with the HHT ID4 Insulated Outside Air Flex Duct, designed for reliable outsi...

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

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

HHT Low Profile In-Line Power Vent (PVLP-SLP) Mechanically assisted venting for demanding installations. Complete your installation with the HHT Lo...

HHT Majestic DVP Safety Shield 6-Pack for Horizontal Termination Caps (COOL-ADDM) Shield the horizontal termination cap. The HHT Majestic DVP Safet...

HHT Majestic SL1100 4x8 Roof Flashing for Wood-Burning Chimneys (SL11FL96) Flash the roof penetration for compatible venting. The HHT Majestic SL11...

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

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

HHT Outside Air Kit | AK22 Improve Fireplace Efficiency with Outside Combustion Air The HHT AK22 Outside Air Kit supplies fresh air directly to you...

HHT Outside Air Kit – Model AK24 Improve Fireplace Efficiency with Outside Combustion Air The HHT Outside Air Kit AK24 supplies fresh outside combu...

HHT Oval to 6" Round Adapter, 6" W x 11" H - Classic Black (0001860) Connects the appliance to its compatible HHT vent system. Complete your instal...

HHT Oval to 6" Round Adapter, 6" W x11" H - Bordeaux (0003701) Connects the appliance to its compatible HHT vent system. Complete your installation...

HHT Oval to 6" Round Adapter, 6" W x11" H - Majolica Brown (0003690) Connects the appliance to its compatible HHT vent system. Complete your instal...

HHT Oval to 8 Round Adapter, 8" W x11" H - Classic Black (0001855) Connects the appliance to its compatible HHT vent system. Complete your installa...

HHT Oval to 8" Round Elbow, 8" x 13" (0001846) - Classic Black Route your vent run around obstacles with an OEM offset. Complete your installation ...

HHT Oval to 8" Round Offset Adapter, 8" x 5.5" (0001836) Connects the appliance to its compatible HHT vent system. Complete your installation with ...

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 PVI-SLP Power Vent Brick Facing Installation Kit (LPC-BEK) Add brick facing to a power-vent installation. The HHT PVI-SLP Power Vent Brick Faci...

HHT Radiance, Stardance, Oxford SLP Adapter (CCSLP) Connects the appliance to its compatible HHT vent system. Complete your installation with the H...

HHT SLP-TRAP1 Rear Vent Horizontal Termination Kit for SLP Vent Pipe Complete Horizontal Vent Termination Kit for SLP Direct Vent Fireplaces Comple...

HHT SLP-TRAP2 Rear Vent Horizontal Termination Kit for SLP Vent Pipe Complete Horizontal Vent Termination Kit for SLP Direct Vent Fireplaces Comple...

HHT SLP-RVTK Rear Vent Termination Kit for Vermont Castings Appliances Complete Rear Vent Solution for Vermont Castings Direct-Vent Stoves Install ...

HHT Refractory Extensions for Majestic Ashland Fireplace Extend Firebox Durability with Precision-Fit Refractory Panels Enhance your Majestic Ashla...

HHT Refractory Mortar – 10 lbs | MMMORTR High-Strength Fireplace Mortar for Secure Panel Installation Key Features 10 lbs. bucket of refractory mo...