HHT Ceramic Insert Plate Gasket – 3-44-237639 (20731-2)Restore a proper seal between your burn pot and stove wall with the HHT Ceramic Insert Plate Gasket (Part# 3-44-237639). Designed for Harman and Heatilator pellet stoves, inserts, and boilers, this high-temp gasket fits between the burn pot and the stove wall—especially for systems using overfire air inlet burn pots.Key Features:✅ OEM Replacement – Designed for burn pots with overfire primary air inlets✅ High-Temp Performance – Withstands the heat generated in the burn chamber✅ Easy Installation – Replace by removing four 1/2" mounting nuts✅ Compatible with Multiple Burn Pots – Works with 1-00-06723, 1-00-574605, and 1-10-00675Specifications:📌 Gasket Material: Ceramic fiber for high heat resistance📌 Gasket Dimensions: 6" long x 4 1/2" wide📌 Auger Inlet Hole: 2 3/8" diameter📌 Replacement Part Number: 3-44-237639📌 SKU: 20731-2Compatible Harman Models:Absolute 43, Absolute 43-CAccentra 52i, Accentra 52i TC, Accentra InsertAdvance, HF60P43, P43-CP68, P68-CPB105PC45 (Pre: 008055950)PF100 (Post: 008350087)XXV, XXV TCCompatible Heatilator Eco Choice Models:BA100 (Post: 008350087)BH105BH60When to Replace:During burn pot removal or replacementIf burn pot seal is compromised or shows carbon buildup around mounting pointsWhen switching or servicing overfire burn pot systemsRestore your pellet stove's sealing efficiency with the HHT Ceramic Insert Plate Gasket. Built for high-temp durability and precision fit—order now and ensure clean, efficient combustion!