{"product_id":"empire-slope-glaze-18-24-30-vent-free-gas-burner-with-manual-valve-burner-only","title":"Empire Slope Glaze 18\"\/24\"\/30\" Vent-Free Gas Burner with Manual Valve (Burner Only)","description":"\u003cp\u003eThe Empire Slope Glaze 18\"\/24\"\/30\" Vent-Free Gas Burner with Manual Valve (Burner Only) is Empire's Slope Glaze vent-free burner with a manual valve - a standing pilot lit by the piezo igniter and a three-position hi \/ med \/ low knob on the valve, no electricity and no remote, in 18\", 24\" and 30\" log lengths for natural gas or propane (32,000 to 38,000 BTU\/hr on high).\u003c\/p\u003e\u003cp\u003eIt is a burner only: the log set is sold separately and chosen by the same log length. The burner installs in a solid-fuel burning masonry or UL 127 factory-built fireplace or in a listed ventless firebox, as a vent-free heater or, in a vented fireplace, as a vented decorative appliance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManual three-position control:\u003c\/strong\u003e high 32,000 (18\"), 36,000 (24\") or 38,000 (30\") BTU\/hr, medium 27,000, low 22,000 - set at the knob; no wall switch, remote or thermostat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider firebox:\u003c\/strong\u003e the manual valve sits beside the burner, so the minimum front width is 32\", 34\" or 38\" by size (the millivolt and remote burners need 28\", 30\" or 34\").\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent-free and vented:\u003c\/strong\u003e complies with ANSI Z21.60 \/ Z21.11 and CGA 2.26; vent-free in a fireplace or listed ventless firebox (damper clamp installed), vented decorative in a solid-fuel fireplace with the doors open and a screen in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogs sold separately:\u003c\/strong\u003e any Slope Glaze log set of the same log length - Sassafras, Ponderosa, Stacked Aged Oak, Charleston, Williamsburg, Ravenwood, Saratoga, Yorktown, Stacked Wildwood, Birch, Charred Oak, Driftwood and Birch Burncrete sets are listed for these burners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eListed accessories:\u003c\/strong\u003e the \u003ca href=\"\/products\/empire-traditional-log-and-ember-bed-kit-accessory\"\u003eEK1 ember kit\u003c\/a\u003e, \u003ca href=\"\/products\/empire-platinum-glowing-embers-accessory\"\u003ePE20 platinum embers\u003c\/a\u003e, the \u003ca href=\"\/products\/empire-2-log-riser-for-slope-glaze-burner-accessory\"\u003eLR18 \/ LR24 \/ LR30 2-inch riser\u003c\/a\u003e by burner size, the \u003ca href=\"\/products\/empire-24-black-decorative-cast-grate-accessory\"\u003eDCG24BL decorative grate\u003c\/a\u003e, the GF24 flex gas line and the ELH1 adjustable hood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmpire 5-year warranty:\u003c\/strong\u003e limited 5-year parts and labor on the burner's components, 1-year parts on remote controls, thermostats, accessories and replacement parts - original purchaser, qualified installer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModels\u003c\/td\u003e\n\u003ctd\u003eVFSM18NAT \/ VFSM24NAT \/ VFSM30NAT (natural gas); VFSM18LP \/ VFSM24LP \/ VFSM30LP (propane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLog length\u003c\/td\u003e\n\u003ctd\u003e18, 24 or 30 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput, high\u003c\/td\u003e\n\u003ctd\u003e18\" 32,000; 24\" 36,000; 30\" 38,000 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput, medium\u003c\/td\u003e\n\u003ctd\u003e27,000 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput, low\u003c\/td\u003e\n\u003ctd\u003e22,000 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eManual valve, standing pilot with piezo igniter, hi \/ med \/ low knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum firebox\u003c\/td\u003e\n\u003ctd\u003e18\": front 32 in, rear 21 in, depth 14 in, height 17 in; 24\": front 34 in, rear 27 in, depth 14 in, height 18 in; 30\": front 38 in, rear 30 in, depth 14 in, height 20 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGas inlet\u003c\/td\u003e\n\u003ctd\u003e3\/8 in NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertification\u003c\/td\u003e\n\u003ctd\u003eANSI Z21.60 \/ Z21.11, CGA 2.26; listed ventless fireboxes; mobile homes where codes allow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping weight\u003c\/td\u003e\n\u003ctd\u003e20.2 lb to 26.6 lb by variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited 5-year parts and labor; 1-year accessories and parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBurner and grate assembly with manual valve, standing pilot (piezo) and hi \/ med \/ low knob\u003c\/li\u003e\n\u003cli\u003eGlowing embers (rock wool) and lava rock for the burner\u003c\/li\u003e\n\u003cli\u003eNot included: the log set and the fireplace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation \u0026amp; Planning\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e a solid-fuel burning masonry or UL 127 factory-built fireplace, cleaned of creosote first, or a listed ventless firebox; for the vent-free installation the damper clamp holds the damper open; in a vented installation the glass doors stay open and a screen is in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearances:\u003c\/strong\u003e the sides of the fireplace opening 6\" from any combustible wall; the ceiling at least 41\" above the opening (36\" with the 16\" log); without a hood, non-combustible material at least 12\" above the opening (slate or marble at least 1\/2\" thick).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVent-free room rules:\u003c\/strong\u003e supplemental zone heat for a room with enough combustion and ventilation air; bedrooms and bathrooms are off-limits above the small inputs the code allows (the manual prints the limits); an unvented heater adds about an ounce of water vapor per thousand BTU of input each hour; some state and local codes prohibit unvented heaters - check yours first.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGas:\u003c\/strong\u003e the burner is built for natural gas or propane and is not convertible - order the variant for your gas; installation, piping and service by a qualified agency (Massachusetts: licensed plumber or gas fitter).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocuments:\u003c\/strong\u003e the burner's installation manual (ratings, firebox dimensions, clearances, damper clamp, lighting and remote instructions) is in the Documents section below; each log set carries its own placement manual.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Empire Comfort Systems","offers":[{"title":"Natural Gas \/ 18-inch","offer_id":50213144985839,"sku":"VFSM18NAT","price":835.0,"currency_code":"USD","in_stock":true},{"title":"Natural Gas \/ 24-inch","offer_id":50213145018607,"sku":"VFSM24NAT","price":889.0,"currency_code":"USD","in_stock":true},{"title":"Natural Gas \/ 30-inch","offer_id":50213145051375,"sku":"VFSM30NAT","price":985.0,"currency_code":"USD","in_stock":true},{"title":"Liquid Propane \/ 18-inch","offer_id":50213145084143,"sku":"VFSM18LP","price":835.0,"currency_code":"USD","in_stock":true},{"title":"Liquid Propane \/ 24-inch","offer_id":50213145116911,"sku":"VFSM24LP","price":889.0,"currency_code":"USD","in_stock":true},{"title":"Liquid Propane \/ 30-inch","offer_id":50213145149679,"sku":"VFSM30LP","price":985.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/5633\/8415\/files\/empire-slope-glaze-vent-free-burner-manual-valve-vfsm-1024.jpg?v=1792340030","url":"https:\/\/hearthdepot.com\/products\/empire-slope-glaze-18-24-30-vent-free-gas-burner-with-manual-valve-burner-only","provider":"Hearth Depot","version":"1.0","type":"link"}