{"product_id":"hearthstone-stoves-wfp-100-zero-clearance-wood-fireplace","title":"Hearthstone Stoves WFP-100 Zero Clearance Wood Fireplace","description":"\u003ch2\u003eBuilt-In Wood Heat on a Grand Scale from HearthStone's Largest Zero-Clearance Fireplace\u003c\/h2\u003e\n\u003cp\u003eThe WFP-100 (Model 8420) is HearthStone's largest EPA-certified zero-clearance wood fireplace, combining a 4.28 cu. ft. firebox, double cast-iron-framed glass doors, and an included convection blower.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge 4.28 cu. ft. firebox\u003c\/strong\u003e — accepts logs up to 25\" loaded east-west, with a 16\" north-south log length recommended by the current owner's manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum heat output up to 95,000 BTU\/hr\u003c\/strong\u003e — per current HearthStone specifications, with a recommended heating area of 1,000 to 2,800 sq. ft. depending on home layout, insulation, and operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEPA 2020 certified using cordwood\u003c\/strong\u003e — certified at 1.6 g\/hr particulate emissions, with an EPA tested heat output of 16,610–43,021 BTU\/hr under specific test conditions and a 64% (HHV) average overall efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-catalytic double combustion\u003c\/strong\u003e — a self-regulating system pairing a primary combustion control with four secondary-air tubes beneath a C-Cast baffle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum burn time up to 10 hours\u003c\/strong\u003e — per the current owner's manual.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded convection blower\u003c\/strong\u003e — rated up to 176 CFM to move warmed air into the living space.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDouble ceramic-glass doors with cast-iron frames\u003c\/strong\u003e — a wide view of the fire framed by a textured cast-iron facade in Matte Black or Brown Enamel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-clearance construction\u003c\/strong\u003e — engineered for framed new-construction and remodeling installations with a dedicated 8\" chimney system; the specified clearances, framing, facing, and hearth protection in the current manual still apply.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003ch4\u003eLarge Zero-Clearance Fireplace Design\u003c\/h4\u003e\n\u003cp\u003eThe WFP-100 is a built-in wood-burning fireplace designed to be framed into new construction or a remodel, without the mass and footprint of a site-built masonry fireplace. The fireplace enclosure permits 0\" clearance at the back, sides, and floor under the fireplace, while every other published clearance, framing, facing, and hearth requirement in the current Model 8420 manual applies. The decorative cast-iron facade measures 50-3\/4\" wide, with an arched face of approximately 45-1\/4\" wide by 41-1\/2\" tall per the current HearthStone catalog, and a straight-wall framing depth reference of 26-7\/8\".\u003c\/p\u003e\n\u003ch4\u003e4.28 Cu. Ft. Firebox\u003c\/h4\u003e\n\u003cp\u003eThe 4.28 cu. ft. firebox burns dry, seasoned cordwood and accepts logs up to 25\" long loaded east-west. The current owner's manual recommends 16\" logs loaded north-south for everyday burning. Published maximum burn time is up to 10 hours, depending on wood, draft, and operating conditions.\u003c\/p\u003e\n\u003ch4\u003eNon-Catalytic Double Combustion\u003c\/h4\u003e\n\u003cp\u003eA self-regulating double-combustion system burns the wood and then the gases it releases. A primary combustion control regulates the burn, while four secondary-air tubes beneath the C-Cast baffle supply air to complete combustion before the exhaust enters the chimney. The system is certified to the EPA 2020 particulate standard using cordwood at 1.6 g\/hr, with a 64% (HHV) average overall efficiency per current HearthStone specifications (63.9% as printed in the current manual) and an optimum efficiency of 69.7% (LHV) at a specific burn rate.\u003c\/p\u003e\n\u003ch4\u003eIncluded Convection Blower\u003c\/h4\u003e\n\u003cp\u003eA convection blower rated up to 176 CFM is included with the fireplace, drawing room air around the firebox and returning warmed air to the living space.\u003c\/p\u003e\n\u003ch4\u003eDouble Cast-Iron-Framed Glass Doors\u003c\/h4\u003e\n\u003cp\u003eTwo ceramic-glass doors with cast-iron frames give the WFP-100 the wide, open sightline of a traditional hearth. The door opening measures approximately 33\" wide by 12-3\/4\" tall per the current manual's dimensional drawing, behind a hand-textured cast-iron facade.\u003c\/p\u003e\n\u003ch4\u003eRefractory Ceramic Interior\u003c\/h4\u003e\n\u003cp\u003eThe firebox is lined with molded refractory ceramic panels in a stacked-stone texture, reflecting heat back into the fire for cleaner combustion and giving the firebox a finished masonry appearance.\u003c\/p\u003e\n\u003ch4\u003eFlexible Heat Distribution Options\u003c\/h4\u003e\n\u003cp\u003eBeyond the included blower, the optional Forced Hot Air Kit (94-57200) can move heat to another room up to 50 ft away, and the optional Hot Air Circulation Kit (94-99200) adds passive convection vents. Fresh-air connector components — a 5\" adapter, an air-inlet block-off plate, and four screws — are included with the fireplace for installations that connect outside combustion air.\u003c\/p\u003e\n\u003ch4\u003eDedicated 8-Inch Chimney System\u003c\/h4\u003e\n\u003cp\u003eThe WFP-100 uses a dedicated 8\" chimney system listed to UL 103 HT (2100°F) or CAN\/ULC S629, beginning with the appropriate listed 8\" anchor plate. The minimum straight system height is 15 ft from the bottom of the unit to the chimney cap, and the fireplace must never share a flue with any other appliance.\u003c\/p\u003e\n\u003ch3\u003eAvailable Finishes and Configurations\u003c\/h3\u003e\n\u003cp\u003eThe WFP-100 is a single base model available in two finishes. Pricing varies by finish.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003cth\u003ePart ID\u003c\/th\u003e\n\u003cth\u003eMSRP\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMatte Black\u003c\/td\u003e\n\u003ctd\u003e8420-0010\u003c\/td\u003e\n\u003ctd\u003e$9,149\u003c\/td\u003e\n\u003ctd\u003eShips with the included convection blower and fresh-air connector components.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrown Enamel\u003c\/td\u003e\n\u003ctd\u003e8420-0020\u003c\/td\u003e\n\u003ctd\u003e$9,699\u003c\/td\u003e\n\u003ctd\u003eShips with the included convection blower and fresh-air connector components.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eWFP-100, Model 8420\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppliance type\u003c\/td\u003e\n\u003ctd\u003eZero-clearance wood-burning fireplace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuel\u003c\/td\u003e\n\u003ctd\u003eDry, seasoned cordwood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombustion system\u003c\/td\u003e\n\u003ctd\u003eNon-catalytic primary and secondary (double) combustion with four secondary-air tubes and C-Cast baffle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum heat output\u003c\/td\u003e\n\u003ctd\u003eUp to 95,000 BTU\/hr, per current HearthStone specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPA tested heat output\u003c\/td\u003e\n\u003ctd\u003e16,610–43,021 BTU\/hr under specific test conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAverage overall efficiency\u003c\/td\u003e\n\u003ctd\u003e64% (HHV) per current HearthStone specifications (63.9% as printed in the current manual); 68.4% (LHV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptimum efficiency\u003c\/td\u003e\n\u003ctd\u003e69.7% (LHV) at a specific burn rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEPA particulate emissions\u003c\/td\u003e\n\u003ctd\u003e1.6 g\/hr, certified using cordwood (EPA \/ ASTM WK47329)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended heating area\u003c\/td\u003e\n\u003ctd\u003e1,000 to 2,800 sq. ft., depending on home and installation conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFirebox capacity\u003c\/td\u003e\n\u003ctd\u003e4.28 cu. ft.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum log length\u003c\/td\u003e\n\u003ctd\u003e25\", east-west\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended log length\u003c\/td\u003e\n\u003ctd\u003e16\", north-south, per the owner's manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum burn time\u003c\/td\u003e\n\u003ctd\u003eUp to 10 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlue outlet\u003c\/td\u003e\n\u003ctd\u003e8\" diameter, top\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChimney\u003c\/td\u003e\n\u003ctd\u003e8\" diameter, listed to UL 103 HT (2100°F) or CAN\/ULC S629\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaffle\u003c\/td\u003e\n\u003ctd\u003eC-Cast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDoors\u003c\/td\u003e\n\u003ctd\u003eDouble ceramic-glass doors with cast-iron frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFacade\u003c\/td\u003e\n\u003ctd\u003eTextured cast iron, 50-3\/4\" decorative facade width; arched face approximately 45-1\/4\" W × 41-1\/2\" H per current catalog\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlower\u003c\/td\u003e\n\u003ctd\u003eIncluded, rated up to 176 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAppliance weight\u003c\/td\u003e\n\u003ctd\u003e665 lb, including refractory slabs and faceplate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight\u003c\/td\u003e\n\u003ctd\u003e545 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlcove installation\u003c\/td\u003e\n\u003ctd\u003eNot approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMobile \/ manufactured home installation\u003c\/td\u003e\n\u003ctd\u003eNot approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety listing\u003c\/td\u003e\n\u003ctd\u003eUL 127 (USA); ULC-S610 (Canada)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish options\u003c\/td\u003e\n\u003ctd\u003eMatte Black or Brown Enamel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation, Clearances and Hearth Requirements\u003c\/h3\u003e\n\u003cp\u003e\"Zero clearance\" describes this class of built-in fireplace, not an absence of requirements. The current Model 8420 manual permits 0\" enclosure clearance at the back, sides, and floor under the fireplace, and at the same time requires the combustible clearances, noncombustible facing, hearth protection, and chimney clearance below. The current owner's manual and its drawings govern every installation; review them with your installer and local building official.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eClearance\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombustible side trim, from the door opening\u003c\/td\u003e\n\u003ctd\u003e8\" minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjacent combustible side wall, from the door opening\u003c\/td\u003e\n\u003ctd\u003e24\" minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombustible side trim or mantel projection\u003c\/td\u003e\n\u003ctd\u003e6\" maximum, as shown by the manual's clearance figure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCombustible wall in front of the fireplace\u003c\/td\u003e\n\u003ctd\u003e48\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCeiling\u003c\/td\u003e\n\u003ctd\u003e84\", measured from the base of the fireplace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFireplace enclosure, back\u003c\/td\u003e\n\u003ctd\u003e0\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFireplace enclosure, sides\u003c\/td\u003e\n\u003ctd\u003e0\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloor under the fireplace\u003c\/td\u003e\n\u003ctd\u003e0\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChimney, to combustibles\u003c\/td\u003e\n\u003ctd\u003e2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe current manual publishes five hearth and floor-protection configurations. All five are reproduced below; do not rely on a single simplified R-value statement.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eHearth Configuration\u003c\/th\u003e\n\u003cth\u003eRequired R-value\u003c\/th\u003e\n\u003cth\u003eMinimum front protection\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOption 1 — installed directly on the floor\u003c\/td\u003e\n\u003ctd\u003eR 2.00\u003c\/td\u003e\n\u003ctd\u003e32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOption 2 — raised less than 8\" from the floor\u003c\/td\u003e\n\u003ctd\u003eR 2.00\u003c\/td\u003e\n\u003ctd\u003e32\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOption 3 — raised more than 8\" from the floor\u003c\/td\u003e\n\u003ctd\u003eR 2.00\u003c\/td\u003e\n\u003ctd\u003e16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOption 4 — raised between 8\" and 12\", per the detailed option figure\u003c\/td\u003e\n\u003ctd\u003eR 1.00\u003c\/td\u003e\n\u003ctd\u003e20\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOption 5 — raised more than 12\", per the detailed Option 5 heading\u003c\/td\u003e\n\u003ctd\u003eNo R-value requirement\u003c\/td\u003e\n\u003ctd\u003e16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eIn every configuration, the hearth protection must be at least 49\" wide in total, extending at least 8\" beyond each side of the door opening, with a 2\" sheet-metal joint-protection detail where the manual specifies it. The current Model 8420 manual is internally inconsistent at the 8\" and 12\" height boundaries. Its later minimum-hearth summary describes Option 4 as more than 8\" but less than 12\" and Option 5 as 12\" or more, while the detailed option headings use different boundary wording, and the Option 3 and Option 4 height descriptions overlap above 8\". Do not infer the required hearth construction for an installation exactly 8\" or exactly 12\" high from this summary alone; confirm the applicable configuration using the current Model 8420 manual, HearthStone and installer guidance, local code, and the authority having jurisdiction.\u003c\/p\u003e\n\u003cp\u003eFraming and facing requirements include the following. These reference values do not replace the manual's complete installation drawings, and allowances may need to increase for the fresh-air kit, the forced-air kit, or the finish materials used.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eFraming and Facing Reference\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStraight-wall framing reference\u003c\/td\u003e\n\u003ctd\u003e50-3\/4\" wide × 26-7\/8\" deep\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFraming material, sides and rear\u003c\/td\u003e\n\u003ctd\u003e2\" × 3\" or heavier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirectly above the fireplace\u003c\/td\u003e\n\u003ctd\u003eNo combustible framing; the zone must remain empty for 84\" from the base of the fireplace\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFresh-air framing allowance\u003c\/td\u003e\n\u003ctd\u003e12\" minimum on the applicable side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForced-air-kit framing allowance\u003c\/td\u003e\n\u003ctd\u003e18\" minimum on the applicable side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCorner framing references\u003c\/td\u003e\n\u003ctd\u003e67-5\/8\" and 95-11\/16\", as shown by the manufacturer drawing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFacing\u003c\/td\u003e\n\u003ctd\u003eMaterials directly in front of the fireplace must be noncombustible; the faceplate must remain removable after the finish is installed; facing interface gap minimum 1\/2\", maximum 1-3\/8\", as shown in the manual detail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoncombustible shelf\u003c\/td\u003e\n\u003ctd\u003ePermitted only at 52\" or more from the base of the fireplace; the manual identifies this shelf as noncombustible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eThe chimney is a dedicated listed 8\" system (UL 103 HT or CAN\/ULC S629) beginning with the appropriate listed 8\" anchor plate and components. The minimum system height for a straight installation is 15 ft from the bottom of the unit to the chimney cap, and an installation at the minimum height requires optimal conditions. Where offsets are used, the manual calls for a minimum 18\" rise before the first offset, a 15 ft minimum system height with two elbows, and a 17 ft minimum with four elbows. The chimney must terminate at least 3 ft above its point of contact with the roof and at least 2 ft higher than any wall, roof, or building within 10 ft, must be braced if it extends more than 5 ft above the roof, and must maintain 2\" clearance to combustibles. A chimney venting this fireplace must not vent any other appliance. For certain masonry applications, the current manual provides approved chimney and liner connection methods; the fireplace is not approved for a so-called positive flue connection to the clay tile of a masonry chimney. Alcove and mobile\/manufactured-home installations are not approved.\u003c\/p\u003e\n\u003cp\u003eA supply of outside combustion air is strongly recommended and is required by some jurisdictions and codes. The fresh-air connector components included with the fireplace are a 5\" adapter, an air-inlet block-off plate, and four screws; the 5\" insulated flexible duct, outside wall termination, and two adjustable clamps are not included. The intake connects at the right side or right-side\/bottom location per the manual. Runs under 20 ft use 5\" duct; runs over 20 ft, or with more than two deviations, use 6\" duct, with a maximum duct length of 30 ft. The outside termination must not be located more than 50% of the total chimney height, more than 10 ft above the fireplace base, or more than 3 ft below it. Combustion air must come from outside the home — never from an attic, basement, or garage.\u003c\/p\u003e\n\u003ch3\u003eIncluded Equipment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConvection blower, rated up to 176 CFM (included)\u003c\/li\u003e\n\u003cli\u003eFresh-air connector components: 5\" adapter, air-inlet block-off plate, and four screws (included with the fireplace)\u003c\/li\u003e\n\u003cli\u003eRefractory ceramic firebox interior (integral to the appliance)\u003c\/li\u003e\n\u003cli\u003eDouble ceramic-glass doors with cast-iron frames (integral to the appliance design)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 5\" insulated flexible fresh-air duct, outside wall termination, and adjustable clamps are not included and are supplied by the installer when outside air is connected.\u003c\/p\u003e\n\u003ch3\u003eCompatible Accessories\u003c\/h3\u003e\n\u003cp\u003eAccessories are sold separately and installed per their instructions and the current Model 8420 manual.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eAccessory\u003c\/th\u003e\n\u003cth\u003ePart ID\u003c\/th\u003e\n\u003cth\u003eMSRP\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eForced Hot Air \/ Forced Air Convection Kit\u003c\/td\u003e\n\u003ctd\u003e94-57200\u003c\/td\u003e\n\u003ctd\u003e$949\u003c\/td\u003e\n\u003ctd\u003eConnects to either side of the WFP-100 and can distribute heat to another room up to 50 ft away when installed to the manufacturer's instructions; insulated flexible HVAC pipe is not included. The termination grille requires 1\" clearance to combustibles, and in Canada the termination grille must be at least 59\" above the floor.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHot Air Circulation \/ Gravity Convection Kit\u003c\/td\u003e\n\u003ctd\u003e94-99200\u003c\/td\u003e\n\u003ctd\u003e$369\u003c\/td\u003e\n\u003ctd\u003eAdds wall-cavity vents that circulate warm air by natural convection; per the current HearthStone description, the vents are not directly ducted to the fireplace.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003cp\u003eThe WFP-100 is covered by the limited warranty published in the current Model 8420 owner's manual. In summary: combustion chamber welds, castings, the convector air-mate, and ceramic glass against thermal breakage carry lifetime parts coverage with four years of labor; plating carries lifetime parts coverage for manufacturing defects, subject to the written terms; stainless-steel firebox components, surrounds and heat shields, the C-Cast baffle, and secondary air tubes carry five years parts and three years labor; carbon-steel firebox components, glass retainers, and the handle assembly carry three years parts and two years labor; blowers, heat sensors, switches, rheostats, wiring, and controls carry two years parts and one year labor; and paint peeling, gaskets, insulation, and firebrick carry one year parts coverage. Lifetime coverage is subject to a one-time replacement limit. Coverage applies to the original consumer purchaser of a brand-new product in normal residential use, is not transferable, and requires authorized, qualified installation. See the current written warranty for complete terms.\u003c\/p\u003e\n\u003ch3\u003eAbout HearthStone\u003c\/h3\u003e\n\u003cp\u003eHearthStone Quality Home Heating Products of Morrisville, Vermont has built stoves prized for long-lasting, comfortable heat for more than four decades. The WFP-100 pairs HearthStone's textured European cast iron with the company's largest zero-clearance wood fireplace, offered through authorized dealers.\u003c\/p\u003e\n\u003cp\u003eCozy Glow Stoves is an authorized HearthStone dealer. Visit our Logan, Ohio showroom to see HearthStone products in person, or contact us with questions about the WFP-100, current pricing, and installation planning.\u003c\/p\u003e","brand":"Hearthstone Stoves","offers":[{"title":"Default Title","offer_id":53705332490516,"sku":"8420","price":9149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0809\/9381\/2756\/files\/WFP1008420_190306.webp?v=1787362773","url":"https:\/\/cozyglowstoves.com\/products\/hearthstone-stoves-wfp-100-zero-clearance-wood-fireplace","provider":"Cozy Glow Stoves","version":"1.0","type":"link"}