{"product_id":"monessen-36-attribute-vent-free-firebox-acuf36","title":"Monessen Attribute 36\" Vent-Free Firebox ACUF36","description":"\u003ch3\u003eIgnition \u0026amp; Controls\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIgnition depends on the burner.\u003c\/strong\u003e This is a firebox enclosure. Fuel type, ignition and compatible controls are determined by the separately selected, approved burner and log set.\u003c\/p\u003e\u003ch3\u003eProduct overview\u003c\/h3\u003e\u003cp\u003eThe Monessen Attribute ACUF36 is a 36-inch vent-free firebox enclosure for a separately selected, listed gas log heater. Its clean-face design, recessed screen pockets and reversible interior panels frame the log set without a louvered surround. The empty firebox is not a complete gas-burning appliance.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eClean-face circulating firebox with hide-away screen pockets.\u003c\/li\u003e\n\u003cli\u003eTwo-piece hearth provides access without removing the log set.\u003c\/li\u003e\n\u003cli\u003eReversible fiber-refractory interior panels provide two finish choices.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIncluded components\u003c\/h3\u003e\u003cp\u003eIncludes mesh screens, hood, junction box and reversible fiber-refractory panels. Burner and log set are not included.\u003c\/p\u003e\u003ch3\u003eRequired components\u003c\/h3\u003e\u003cp\u003eRequires a listed gas-fired unvented decorative room heater with maximum input no greater than 40,000 BTU\/hr. Its minimum enclosure dimensions must fit this firebox. Follow both the firebox and selected heater instructions. Install the supplied hood and screens correctly before operation.\u003c\/p\u003e\u003ch3\u003eOptional accessories\u003c\/h3\u003e\u003cp\u003eThe manufacturer lists model-matched black-glass panels, contemporary fronts and trim kits, plus the MONAL-VF light kit, GFK-160VF blower and AKD outside-air kit. These are optional; select the exact size-specific kit. An optional accessory does not replace the required heater.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eACUF36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eVent-free firebox enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003eSingle-sided\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNominal size\u003c\/th\u003e\n\u003ctd\u003e36 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit width\u003c\/th\u003e\n\u003ctd\u003e42 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit height\u003c\/th\u003e\n\u003ctd\u003e34 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eUnit depth\u003c\/th\u003e\n\u003ctd\u003e20 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear unit width\u003c\/th\u003e\n\u003ctd\u003e31-1\/8 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViewing opening\u003c\/th\u003e\n\u003ctd\u003e36 x 27 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHearth depth\u003c\/th\u003e\n\u003ctd\u003e15 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHearth front height\u003c\/th\u003e\n\u003ctd\u003e25-1\/2 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHearth rear width\u003c\/th\u003e\n\u003ctd\u003e24-3\/8 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHearth rear height\u003c\/th\u003e\n\u003ctd\u003e22-5\/8 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum permitted heater input\u003c\/th\u003e\n\u003ctd\u003e40,000 BTU\/hr; not heat output from the empty firebox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel and ignition\u003c\/th\u003e\n\u003ctd\u003eDetermined by the separately selected approved heater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003ctd\u003eUL; CSA\/ANSI Z21.91:20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003eInstallation and safety notes\u003c\/h3\u003e\u003cp\u003eDo not burn wood or use an unlisted heater. Unit dimensions are not framing dimensions: follow the complete framing, mantel, hearth and clearance drawings in the installation manual. Provide gas and electrical services suitable for the selected heater and accessories. Keep air openings clear; installation and servicing must follow manufacturer instructions and applicable codes.\u003c\/p\u003e\u003ch3\u003eExact-model manuals and downloads\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/downloads.hearthnhome.com\/installManuals\/ACUF_Series_Install_4136-901.pdf\"\u003eAttribute ACUF installation manual — 4136-901 Rev. L; exact models, dimensions, framing and accessories\u003c\/a\u003e\u003c\/p\u003e","brand":"Monessen","offers":[{"title":"Multi-tonal Brown Reversible Panels","offer_id":50592564379810,"sku":"ACUF36-BD","price":949.0,"currency_code":"USD","in_stock":true},{"title":"Multi-tonal Gray Reversible Panels","offer_id":50592564412578,"sku":"ACUF36-GD","price":1009.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0695\/5846\/8770\/files\/monessen-acuf36-1.jpg?v=1791653786","url":"https:\/\/unitedfireplaces.com\/products\/monessen-36-attribute-vent-free-firebox-acuf36","provider":"United Fireplaces","version":"1.0","type":"link"}