{"product_id":"appalachian-phase-i-damper-assembly-early-catalytic-wood-stoves","title":"Appalachian Phase I Damper Assembly – Early Catalytic Wood Stoves","description":"\u003ch3\u003e\u003cstrong\u003eAppalachian Phase I Damper Assembly – Early Model Catalytic Wood Stove Replacement | Pre-1989 Models\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eRestore the proper operation of your early-model Appalachian catalytic wood stove with this \u003cstrong\u003eAppalachian Phase I Replacement Damper Assembly\u003c\/strong\u003e. Designed for select older Appalachian wood-burning stoves, this replacement assembly is intended to replace the original \u003cstrong\u003ecast iron damper assembly\u003c\/strong\u003e used in compatible Phase I catalytic stove configurations.\u003c\/p\u003e\n\u003cp\u003eMany early Appalachian catalytic wood stoves manufactured before 1989 used rectangular catalytic combustors. Depending on the stove model and production configuration, these appliances may use either \u003cstrong\u003etwo or four catalytic combustors\u003c\/strong\u003e. This Phase I replacement damper assembly is intended for compatible stoves using these early rectangular catalyst arrangements.\u003c\/p\u003e\n\u003cp\u003eThe assembly includes the main damper weldment with sliding damper plate, impingement plate, new damper rod with spring handle, installation hardware, tension pins, and a catalyst sealing blanket. This provides a convenient replacement solution when the original cast iron damper has become damaged, warped, or difficult to operate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e• Appalachian Phase I Replacement – Designed for select early-model Appalachian catalytic wood stoves\u003cbr\u003e• Replaces Original Cast Iron Damper – Replacement assembly for compatible original cast iron damper configurations\u003cbr\u003e• Early Catalytic Stove Application – Intended for compatible Appalachian stoves using rectangular catalytic combustors\u003cbr\u003e• Two- or Four-Catalyst Configurations – Suitable for applicable Phase I arrangements when original damper and catalyst configuration are verified\u003cbr\u003e• Complete Damper Mechanism – Includes damper weldment, sliding damper plate, impingement plate, and new damper rod with spring handle\u003cbr\u003e• Installation Hardware Included – Supplied with mounting hardware and damper rod tension pins\u003cbr\u003e• Catalyst Sealing Blanket Included – Includes blanket material for sealing around the catalytic combustor installation\u003cbr\u003e• Replacement for Worn Components – Helps restore proper damper operation on compatible older Appalachian wood stoves\u003cbr\u003e• Catalytic Combustors Sold Separately – Replacement catalysts are not included with this assembly\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003cbr\u003e• Brand Compatibility: Appalachian Stove\u003cbr\u003e• Product Type: Catalytic Wood Stove Damper Assembly\u003cbr\u003e• Product Name: Appalachian Phase I Damper Assembly\u003cbr\u003e• Supplier SKU: PHASE I\u003cbr\u003e• Damper Configuration: Phase I – Early Catalytic Stove\u003cbr\u003e• Original Damper Style: Cast Iron\u003cbr\u003e• Replacement Assembly: Weldment with Sliding Damper Plate\u003cbr\u003e• Impingement Plate: Included\u003cbr\u003e• Damper Rod: Included\u003cbr\u003e• Spring Handle: Included\u003cbr\u003e• Installation Hardware: Included\u003cbr\u003e• Tension Pins: Included\u003cbr\u003e• Catalyst Sealing Blanket: Included\u003cbr\u003e• Catalytic Combustors: Not Included\u003cbr\u003e• Mounting Brackets: Not Included\u003cbr\u003e• Application: Select early-model Appalachian catalytic wood stoves\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included in This Damper Assembly:\u003c\/strong\u003e\u003cbr\u003e• Damper Weldment Assembly\u003cbr\u003e• Sliding Damper Plate\u003cbr\u003e• Impingement Plate\u003cbr\u003e• New Damper Rod with Spring Handle\u003cbr\u003e• Installation Hardware\u003cbr\u003e• Damper Rod Tension Pins\u003cbr\u003e• Catalyst Sealing Blanket\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant – Components NOT Included:\u003c\/strong\u003e\u003cbr\u003e• Catalytic Combustors – Sold Separately\u003cbr\u003e• Mounting Brackets – Not Included\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Appalachian Wood Stove Models:\u003c\/strong\u003e\u003cbr\u003eThis Phase I damper assembly may fit select early Appalachian catalytic wood stoves equipped with rectangular catalytic combustors, including:\u003c\/p\u003e\n\u003cp\u003e• Appalachian Gemini GXL – Models manufactured before 1989\u003cbr\u003e• Appalachian 4N1 XL Trailmaster – Select models manufactured before 1989\u003cbr\u003e• Appalachian Gemini GXLB – Verify original damper and catalyst configuration\u003cbr\u003e• Appalachian 32-BW – Select early catalytic models\u003cbr\u003e• Appalachian 36BW – Select models manufactured before 1988\u003cbr\u003e• Appalachian 52WXL – Verify original damper and catalyst configuration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Model Fitment Note:\u003c\/strong\u003e\u003cbr\u003eAppalachian manufactured several different catalytic damper assemblies and combustor configurations over the years. Model names alone may not identify the correct replacement.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, verify that your stove uses the original \u003cstrong\u003ePhase I cast iron damper configuration\u003c\/strong\u003e and the applicable rectangular catalytic combustors. Check the stove model, manufacturing year, catalyst quantity, catalyst dimensions, and existing damper design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhase I Catalytic Combustor Configurations:\u003c\/strong\u003e\u003cbr\u003eEarly Appalachian Phase I stoves may use one of the following arrangements:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo-Catalyst Configuration:\u003c\/strong\u003e\u003cbr\u003e• Quantity: 2 Catalytic Combustors\u003cbr\u003e• Catalyst Dimensions: 1-7\/8\" x 6-7\/8\" x 2\"\u003cbr\u003e• Replacement Catalyst Reference: SV3400\u003cbr\u003e• Catalytic Combustors Sold Separately\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFour-Catalyst Configuration:\u003c\/strong\u003e\u003cbr\u003e• Quantity: 2 Catalytic Combustors Measuring 1-7\/8\" x 6-7\/8\" x 2\"\u003cbr\u003e• Replacement Catalyst Reference: SV3400\u003cbr\u003e• Quantity: 2 Catalytic Combustors Measuring 1-7\/8\" x 6-7\/8\" x 1\"\u003cbr\u003e• Replacement Catalyst Reference: SV3448\u003cbr\u003e• Total Catalytic Combustors Required: 4\u003cbr\u003e• Catalytic Combustors Sold Separately\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModels Reported with Four-Catalyst Configurations:\u003c\/strong\u003e\u003cbr\u003e• Appalachian Gemini GXLB – Before 1989\u003cbr\u003e• Appalachian 32-BW – Select models before 1989\u003cbr\u003e• Appalachian 4N1 XL Trailmaster – Select early configurations\u003cbr\u003e• Appalachian 36BW – Before 1988\u003cbr\u003e• Appalachian 52WXL\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Catalyst Compatibility Note:\u003c\/strong\u003e\u003cbr\u003eSome Appalachian models were produced with different catalyst arrangements. For example, certain 32-BW models use two catalysts, while other versions use four.\u003c\/p\u003e\n\u003cp\u003eAlways inspect your original catalytic combustors and damper assembly before ordering. Verify both the \u003cstrong\u003enumber of catalysts and their individual dimensions\u003c\/strong\u003e. Do not assume that all stoves sharing the same model name use identical catalytic components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReplacement Catalytic Combustors – Sold Separately:\u003c\/strong\u003e\u003cbr\u003eThe following replacement catalyst references are associated with the early Appalachian Phase I configurations:\u003c\/p\u003e\n\u003cp\u003e• SV3400 – Rectangular Catalytic Combustor, 1-7\/8\" x 6-7\/8\" x 2\"\u003cbr\u003e• SV3448 – Rectangular Catalytic Combustor, 1-7\/8\" x 6-7\/8\" x 1\"\u003c\/p\u003e\n\u003cp\u003eThe number and combination of catalytic combustors required depends on the original stove configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Does the Phase I Damper Assembly Do?\u003c\/strong\u003e\u003cbr\u003eThe damper assembly is an important component of the catalytic combustion system in compatible Appalachian wood stoves. It helps control the intended exhaust-gas flow path during stove startup, reloading, and catalytic operation.\u003c\/p\u003e\n\u003cp\u003eWhen operating correctly, the damper mechanism allows the stove to function according to the manufacturer's combustion and catalytic operating procedures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Replace an Original Cast Iron Damper?\u003c\/strong\u003e\u003cbr\u003eOlder cast iron damper components can deteriorate after years of exposure to high temperatures and repeated heating and cooling cycles. Depending on their condition, original damper assemblies may become warped, cracked, difficult to operate, or unable to maintain their intended position.\u003c\/p\u003e\n\u003cp\u003eReplacing a damaged original damper with the correct Phase I assembly can help restore the mechanical operation of the catalytic damper system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Signs Your Damper Assembly May Need Replacement:\u003c\/strong\u003e\u003cbr\u003e• Cracked or broken original cast iron damper components\u003cbr\u003e• Warped or damaged damper plate\u003cbr\u003e• Damper rod is bent, seized, or difficult to operate\u003cbr\u003e• Damper does not open or close correctly\u003cbr\u003e• Excessive wear or deterioration of internal damper components\u003cbr\u003e• Damper mechanism no longer operates as intended\u003cbr\u003e• Damaged or missing hardware affecting damper operation\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Recommendations:\u003c\/strong\u003e\u003cbr\u003e• Allow the wood stove to cool completely before beginning service\u003cbr\u003e• Remove ashes and debris as necessary to safely access the original damper assembly\u003cbr\u003e• Document the original damper position and hardware arrangement before removal\u003cbr\u003e• Carefully remove the existing cast iron damper components\u003cbr\u003e• Inspect the existing mounting brackets and surrounding stove components for damage\u003cbr\u003e• Verify the replacement assembly matches the original Phase I configuration\u003cbr\u003e• Install the damper weldment, sliding damper plate, and impingement plate according to the applicable service instructions\u003cbr\u003e• Install the supplied damper rod, spring handle, hardware, and tension pins in their proper positions\u003cbr\u003e• Install the supplied catalyst sealing blanket as specified for the assembly\u003cbr\u003e• Install the appropriate catalytic combustors according to the original stove configuration\u003cbr\u003e• Verify proper damper movement and engagement before returning the stove to service\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Installation Note:\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003emounting brackets are NOT included\u003c\/strong\u003e with this assembly. Inspect your existing mounting brackets before ordering and verify they are suitable for reuse.\u003c\/p\u003e\n\u003cp\u003eBecause this damper assembly is part of the stove's combustion and exhaust system, correct installation is essential. Professional installation is recommended if you are unfamiliar with catalytic wood stove service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eImportant Safety Note:\u003c\/strong\u003e\u003cbr\u003eNever operate a wood-burning stove with a damaged, improperly installed, or malfunctioning damper assembly. Always follow the appliance manufacturer's operating and service instructions when replacing catalytic combustion components.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy Choose This Appalachian Phase I Damper Assembly?\u003c\/strong\u003e\u003cbr\u003eThis replacement assembly provides the primary damper components needed to replace the original cast iron damper on compatible early Appalachian catalytic wood stoves.\u003c\/p\u003e\n\u003cp\u003eWith the damper weldment, sliding damper plate, impingement plate, new damper rod with spring handle, installation hardware, tension pins, and catalyst sealing blanket supplied together, this assembly offers a practical solution for repairing older Appalachian catalytic stove damper systems.\u003c\/p\u003e\n\u003cp\u003eRestore the proper operation of your compatible early-model Appalachian wood stove with the \u003cstrong\u003eAppalachian Phase I Replacement Damper Assembly\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Cast Iron","offers":[{"title":"Default Title","offer_id":67802790396272,"sku":"SO-Phase one damper","price":589.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/5377465371_2c24103d-7d01-41ac-b24b-fb61400bbbdf.jpg?v=1792611483","url":"https:\/\/total-hearth.com\/products\/appalachian-phase-i-damper-assembly-early-catalytic-wood-stoves","provider":"Total Hearth","version":"1.0","type":"link"}