ComfortBilt Replacement Lytherm Gaskets – Select-A-Size

These are genuine ComfortBilt replacement gaskets for select pellet stove models. This listing is for individual gaskets only and does not include a multi-piece kit. Please select the appropriate gasket size and style for your specific stove model and maintenance application. Each gasket is sold separately. Customers servicing multiple sealing points must add each required gasket to their cart individually. Compatible Applications & Gasket Options Small Rectangular Cleanout Gasket (3 3/4" x 1 1/2") Used for routine every-1-ton cleaning maintenance on the following models: HP50 – 2 required HP21 – 4 required HP22i – 4 required Large Rectangular Cleanout Gasket (4 13/16" x 2 3/8") Used for routine every-1-ton cleaning maintenance on the following models: HP22 – 2 required HP22N – 2 required HP61 – 3 required HP42 – 2 required HP41 – 2 required Round Exhaust Gasket (6 1/2" diameter) Used during annual exhaust fan area maintenance on all compatible ComfortBilt pellet stove models. Cut-to-Size Gasket Material (5" x 12") Used for every-1-ton cleaning maintenance in applications where pre-cut gaskets are not available, including: HP40 front cleanout HP42 top vertical riser plates beneath the hopper slope Please note: This cut-to-size gasket material will require trimming or modification to fit. Pre-cut gaskets are not available for these specific applications. Important Notes Door gaskets are not included and are sold separately. Please verify your stove model, gasket location, and quantity required before ordering to ensure proper fit and coverage.