{"product_id":"monessen-solstice-vfi-33-vent-free-gas-insert","title":"Monessen Solstice\/VFI 33 Vent-Free Gas Insert","description":"\u003cstyle\u003e.sf-monessen{--sf-accent:#C9652B;--sf-ink:#232323;--sf-line:#e3ded8;max-width:1200px;margin:0 auto;color:var(--sf-ink);background:#fff;font-family:inherit;font-size:16px;line-height:1.7}.sf-monessen *{box-sizing:border-box}.sf-monessen section{padding:34px 0;border-bottom:1px solid var(--sf-line)}.sf-monessen h2{font-size:clamp(24px,2.8vw,34px);line-height:1.2;letter-spacing:-.02em;margin:0 0 16px;color:var(--sf-ink)}.sf-monessen h3{font-size:20px;line-height:1.3;margin:0 0 12px;color:var(--sf-ink)}.sf-monessen p{margin:0 0 15px}.sf-monessen .sf-kicker{display:block;color:#AD5220;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;margin-bottom:12px}.sf-monessen .sf-lead{font-size:19px;line-height:1.65}.sf-monessen .sf-split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:34px;align-items:center}.sf-monessen figure{margin:0;min-width:0}.sf-monessen img{display:block;max-width:100%;width:100%;height:auto;border:0;border-radius:0}.sf-monessen figcaption{color:#57534d;font-size:13px;line-height:1.5;margin-top:10px}.sf-monessen ul{padding-left:22px;margin:0 0 18px}.sf-monessen li{margin:0 0 8px}.sf-monessen a{color:#923c0d;text-decoration:underline;text-underline-offset:3px}.sf-monessen .sf-docs{list-style:none;padding:0}.sf-monessen .sf-docs li{margin:0;border-bottom:1px solid var(--sf-line)}.sf-monessen .sf-docs a{display:flex;justify-content:space-between;gap:20px;padding:14px 0;font-weight:600}.sf-monessen .sf-docs span{font-size:12px;color:#57534d;font-weight:400}.sf-monessen .sf-table-wrap{overflow-x:auto}.sf-monessen table{border-collapse:collapse;width:100%;font-size:15px}.sf-monessen th,.sf-monessen td{text-align:left;vertical-align:top;padding:12px 10px;border-bottom:1px solid var(--sf-line);background:#fff;color:var(--sf-ink)}.sf-monessen th{font-weight:600}.sf-monessen tbody th{width:40%}.sf-monessen .sf-cta-strip{border-top:3px solid var(--sf-accent);border-bottom:0;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.sf-monessen label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.sf-monessen select{width:100%;max-width:100%;padding:12px;border:1px solid #827b73;border-radius:0;color:#242321!important;background:#fff!important;font:inherit;margin-bottom:12px}.sf-monessen button{display:inline-block;padding:14px 24px;border:0;border-radius:0;background:#AD5220!important;color:#fff!important;font:inherit;font-weight:700;cursor:pointer;min-height:48px}.sf-monessen button:disabled{opacity:.6;cursor:wait}.sf-monessen button:hover{background:#923c0d!important}.sf-monessen [role=status]{display:block;margin-top:10px;font-size:14px}.sf-monessen :focus-visible{outline:3px solid #C9652B;outline-offset:3px}.sf-monessen .sf-note{font-size:14px;color:#57534d}.sf-monessen details{border-bottom:1px solid var(--sf-line);padding:12px 0}.sf-monessen summary{cursor:pointer;font-weight:600}.sf-monessen details p{margin:12px 0 0}@media(max-width:749px){.sf-monessen .sf-split,.sf-monessen .sf-cta-strip{grid-template-columns:1fr;gap:22px}.sf-monessen section{padding:26px 0}.sf-monessen .sf-lead{font-size:18px}.sf-monessen th,.sf-monessen td{padding:10px 8px}.sf-monessen button{width:100%}}\n\u003c\/style\u003e\u003cdiv class=\"sf-monessen\" data-sf-layout=\"monessen-2026-10-15\"\u003e\n\u003csection class=\"\"\u003e\u003ch2\u003eGive an existing fireplace a new flame\u003c\/h2\u003e\n\u003cspan class=\"sf-kicker\"\u003eMonessen Solstice\/VFI 33 Vent-Free Gas Insert\u003c\/span\u003e\u003cp class=\"sf-lead\"\u003eThe Monessen Solstice 33 is a vent-free gas insert for a compatible existing fireplace opening. A Natural Blaze burner and included blower bring flame and warm-air circulation into the room. Select the correct fuel and ignition, then complete the installation with the required surround and interior components.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"sf-split\"\u003e\u003cfigure style=\"max-width:1094px\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/4496\/8956\/files\/monessen-hq-22-Solstice-VFI33-traditional-log-installed-photograph-extracted-losslessly-from-manufacturer-spec-shee.jpg?v=1792051034\" width=\"1094\" height=\"598\" alt=\"Monessen Solstice\/VFI 33 Vent-Free Gas Insert manufacturer product or installation image\" loading=\"lazy\"\u003e\u003cfigcaption\u003eSolstice traditional-log installation shown with optional liner and surround. Select those finishing components separately.\u003c\/figcaption\u003e\u003c\/figure\u003e\u003cdiv\u003e\n\u003cspan class=\"sf-kicker\"\u003eMade for your space\u003c\/span\u003e\u003ch2\u003eKeep the hearth. Refine the finish.\u003c\/h2\u003e\n\u003cp\u003eA separately purchased black surround covers the gap between the insert and the existing fireplace opening. Choose the surround size after measuring the opening and checking the installation manual; the insert’s nominal size is not a substitute for those measurements.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"\"\u003e\u003ch2\u003eFuel \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eChoose the natural gas or liquid propane variant to match the installed supply. Fuel and ignition must be confirmed before ordering. Vent-free installation is subject to local requirements, room-size restrictions and the manufacturer’s instructions; a qualified installer must verify suitability.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"\"\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNatural Blaze burner system with 135 CFM blower and screen.\u003c\/li\u003e\n\u003cli\u003eNatural gas: up to 28,000 BTU\/hr; propane: up to 27,000 BTU\/hr.\u003c\/li\u003e\n\u003cli\u003eMillivolt and electronic ignition configurations.\u003c\/li\u003e\n\u003cli\u003eRequired surround and liner are separate accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat comes with your order\u003c\/h3\u003e\n\u003cp\u003eSelected Solstice insert with its specified burner\/control system, 135 CFM blower and screen. Surround, required liner and log-set selection must be confirmed separately; this listing does not include a surround.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"\"\u003e\u003ch2\u003eManuals, Specifications \u0026amp; Warranty\u003c\/h2\u003e\n\u003cp\u003eDownload the documents below. Match the exact SKU, fuel and product edition before planning or installation.\u003c\/p\u003e\n\u003cul class=\"sf-docs\"\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/4496\/8956\/files\/monessen-current-20307670-VFI33-Solstice.pdf?v=1792052588\" target=\"_blank\" rel=\"noopener\"\u003eInstallation \u0026amp; Owner’s Manual — Rev Q, 5\/26\u003cspan\u003ePDF ↗\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0757\/4496\/8956\/files\/monessen-current-Warranty_Policy.pdf?v=1792051522\" target=\"_blank\" rel=\"noopener\"\u003eLimited Warranty — Rev N, 12\/23\u003cspan\u003ePDF ↗\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"sf-note\"\u003eConfirm dimensions and installation requirements in the current model-specific installation manual before construction.\u003c\/p\u003e\n\u003ch3\u003eManufacturer warranty\u003c\/h3\u003e\n\u003cp\u003eThe current Hearth \u0026amp; Home Technologies limited warranty provides 20 years of parts coverage and 3 years of labor for the gas firebox\/heat exchanger. Other components have different coverage periods. Purchase, installation, maintenance and other conditions and exclusions apply.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"\"\u003e\u003ch2\u003eQuestions Before You Order\u003c\/h2\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I choose the fuel and control option?\u003c\/summary\u003e\u003cp\u003eMatch the variant’s fuel to your gas supply and confirm its ignition\/control requirements with your installer. Do not assume a field conversion is available.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat should I check before the wall or opening is built?\u003c\/summary\u003e\u003cp\u003eConfirm the exact model, framing or existing-opening dimensions, clearances, gas connection and all required finishing components against the installation manual.\u003c\/p\u003e\u003c\/details\u003e\u003c\/section\u003e\u003csection class=\"\"\u003e\u003ch2\u003eSpecifications \u0026amp; Installation Dimensions\u003c\/h2\u003e\n\u003cdiv class=\"sf-table-wrap\"\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eMonessen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eVent-Free Gas Insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAppliance front width\u003c\/th\u003e\n\u003ctd\u003e33-3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAppliance height\u003c\/th\u003e\n\u003ctd\u003e23-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAppliance depth\u003c\/th\u003e\n\u003ctd\u003e18-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eViewing area\u003c\/th\u003e\n\u003ctd\u003e31 x 16.5\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMinimum existing opening: front width\u003c\/th\u003e\n\u003ctd\u003e33\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMinimum existing opening: rear width\u003c\/th\u003e\n\u003ctd\u003e22-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMinimum existing opening: height\u003c\/th\u003e\n\u003ctd\u003e23-7\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMinimum existing opening: depth\u003c\/th\u003e\n\u003ctd\u003e15-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003ch3 style=\"margin-top:24px\"\u003eModel \u0026amp; Configuration\u003c\/h3\u003e\n\u003cdiv class=\"sf-table-wrap\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eVFI33LNV\u003c\/td\u003e\n\u003ctd\u003e28,000 BTU N.G. Vent Free Insert, Millivolt Control w\/blower, Traditional Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVFI33LPV\u003c\/td\u003e\n\u003ctd\u003e27,000 BTU L.P. Vent Free Insert, Millivolt Control w\/blower, Traditional Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVFI33LPI\u003c\/td\u003e\n\u003ctd\u003e27,000 BTU L.P. Vent Free Insert, IPI Control w\/blower, Traditional Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVFI33LNI\u003c\/td\u003e\n\u003ctd\u003e28,000 BTU N.G. Vent Free Insert, IPI Control w\/blower, Traditional Style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"sf-note\"\u003eConfirm all framing, clearance and finishing dimensions with your qualified installer before ordering or construction. Product dimensions and shipping-package dimensions are not interchangeable.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"sf-cta-strip\"\u003e\u003cdiv\u003e\n\u003cspan class=\"sf-kicker\"\u003eComplete your plan\u003c\/span\u003e\u003ch2\u003eChoose your configuration\u003c\/h2\u003e\n\u003cp\u003eCheck your fuel, fit and required components, then select your model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cform method=\"post\" action=\"\/cart\/add\" onsubmit=\"event.preventDefault();var f=this,b=f.querySelector('button'),s=f.querySelector('[role=status]');b.disabled=true;s.textContent='Adding…';fetch('\/cart\/add.js',{method:'POST',body:new FormData(f),headers:{Accept:'application\/json'}}).then(async function(r){var j=await r.json();if(!r.ok)throw new Error(j.description||'Unable to add this option.');s.textContent='Added to your cart.';document.dispatchEvent(new CustomEvent('cart:refresh'));}).catch(function(e){s.textContent=e.message;}).finally(function(){b.disabled=false;});\"\u003e\n\u003clabel\u003eModel\u003cselect name=\"id\" required\u003e\u003coption value=\"67702745727228\"\u003eVFI33LNV — Natural Gas \/ Millivolt\u003c\/option\u003e\n\u003coption value=\"67702745759996\"\u003eVFI33LPV — Propane \/ Millivolt\u003c\/option\u003e\n\u003coption value=\"67702745792764\"\u003eVFI33LPI — Propane \/ IPI\u003c\/option\u003e\n\u003coption value=\"67702745825532\"\u003eVFI33LNI — Natural Gas \/ IPI\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\u003cinput type=\"hidden\" name=\"quantity\" value=\"1\"\u003e\u003cbutton type=\"submit\"\u003eAdd to Cart\u003c\/button\u003e\u003cspan role=\"status\" aria-live=\"polite\"\u003e\u003c\/span\u003e\u003ca href=\"\/cart\"\u003eView cart\u003c\/a\u003e\n\u003c\/form\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Monessen","offers":[{"title":"Natural Gas \/ Millivolt","offer_id":67702745727228,"sku":"VFI33LNV","price":2049.0,"currency_code":"USD","in_stock":true},{"title":"Propane \/ Millivolt","offer_id":67702745759996,"sku":"VFI33LPV","price":2049.0,"currency_code":"USD","in_stock":true},{"title":"Propane \/ IPI","offer_id":67702745792764,"sku":"VFI33LPI","price":2159.0,"currency_code":"USD","in_stock":true},{"title":"Natural Gas \/ IPI","offer_id":67702745825532,"sku":"VFI33LNI","price":2159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/4496\/8956\/files\/monessen-hq-22-Solstice-VFI33-traditional-log-installed-photograph-extracted-losslessly-from-manufacturer-spec-shee_738025fa-04d7-44bf-b0da-e2a9385ae86c.jpg?v=1792051744","url":"https:\/\/smokeforges.com\/products\/monessen-solstice-vfi-33-vent-free-gas-insert","provider":"Smokeforges","version":"1.0","type":"link"}