{"id":1219,"date":"2014-09-10T11:35:07","date_gmt":"2014-09-10T09:35:07","guid":{"rendered":"https:\/\/hottubstock.com\/?post_type=product&#038;p=1219"},"modified":"2025-12-25T20:19:51","modified_gmt":"2025-12-25T18:19:51","slug":"timberin-submergefire-26-internal-wood-fired-hot-tub-heater","status":"publish","type":"product","link":"https:\/\/www.woodenhottubsale.co.uk\/ie\/product\/timberin-submergefire-26-internal-wood-fired-hot-tub-heater\/","title":{"rendered":"TimberIN SubmergeFire\u2122 26"},"content":{"rendered":"<p><!-- ========================= VISIBLE PRODUCT CONTENT ========================= --><\/p>\n<h2 class=\"wp-block-heading\" data-start=\"1580\" data-end=\"1611\"><strong data-no-translation=\"\">TimberIN SubmergeFire\u2122 26 &#8211; Internal Wood-Fired Hot Tub Heater (26 kW)<\/strong><\/h2>\n<p data-start=\"1660\" data-end=\"1848\">Upgrade your hot tub with the <strong data-start=\"1690\" data-end=\"1719\" data-no-translation=\"\">TimberIN SubmergeFire\u2122 26<\/strong>, a premium <strong data-start=\"1731\" data-end=\"1774\" data-no-translation=\"\">internal, submersible wood-fired heater<\/strong> engineered for efficient, direct heat transfer and minimal visual impact.<\/p>\n<p data-start=\"1850\" data-end=\"2132\">Unlike external heaters, the SubmergeFire\u2122 26 installs <strong data-start=\"1905\" data-end=\"1923\" data-no-translation=\"\">inside the tub<\/strong>, significantly reducing pipe runs and heat loss while ensuring rapid warm-up times. Its snorkel-style vertical chimney design allows safe exhaust routing while keeping the heater body compact and unobtrusive.<\/p>\n<p data-start=\"2134\" data-end=\"2314\">Constructed from <strong data-start=\"2151\" data-end=\"2178\" data-no-translation=\"\">durable stainless steel<\/strong>, this heater is built to withstand constant water exposure and high operating temperatures, making it ideal for year-round outdoor use.<\/p>\n<h3 data-start=\"2316\" data-end=\"2332\">Key Benefits<\/h3>\n<ul data-start=\"2333\" data-end=\"2785\">\n<li data-start=\"2333\" data-end=\"2423\">\n<p data-start=\"2335\" data-end=\"2423\"><strong data-start=\"2335\" data-end=\"2366\" data-no-translation=\"\">Internal submersible design<\/strong> \u2013 installed directly in the tub for maximum efficiency<\/p>\n<\/li>\n<li data-start=\"2424\" data-end=\"2494\">\n<p data-start=\"2426\" data-end=\"2494\"><strong data-start=\"2426\" data-end=\"2449\" data-no-translation=\"\">26 kW heating power<\/strong> \u2013 ideal for typical garden wooden hot tubs<\/p>\n<\/li>\n<li data-start=\"2495\" data-end=\"2552\">\n<p data-start=\"2497\" data-end=\"2552\"><strong data-start=\"2497\" data-end=\"2518\" data-no-translation=\"\">Reduced heat loss<\/strong> \u2013 no external pipework required<\/p>\n<\/li>\n<li data-start=\"2553\" data-end=\"2628\">\n<p data-start=\"2555\" data-end=\"2628\"><strong data-start=\"2555\" data-end=\"2587\" data-no-translation=\"\">Stainless steel construction<\/strong> \u2013 corrosion-resistant and long-lasting<\/p>\n<\/li>\n<li data-start=\"2629\" data-end=\"2707\">\n<p data-start=\"2631\" data-end=\"2707\"><strong data-start=\"2631\" data-end=\"2652\" data-no-translation=\"\">Compact footprint<\/strong> \u2013 clean aesthetics with no bulky external heater box<\/p>\n<\/li>\n<li data-start=\"2708\" data-end=\"2785\">\n<p data-start=\"2710\" data-end=\"2785\"><strong data-start=\"2710\" data-end=\"2744\" data-no-translation=\"\">Multiple flue diameter options<\/strong> \u2013 adaptable to different installations<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"2787\" data-end=\"2812\">Installation &amp; Safety<\/h3>\n<p data-start=\"2813\" data-end=\"3113\">The SubmergeFire\u2122 26 must be installed following manufacturer guidance, using approved gaskets, correct clearances, and a properly sized chimney\/flue. Adequate ventilation is essential. Professional installation is strongly recommended, and all local safety and building regulations must be observed.<\/p>\n<p data-start=\"3115\" data-end=\"3195\">\ud83d\udc49 <em data-start=\"3118\" data-end=\"3195\" data-no-translation=\"\">Looking for alternatives? <a href=\"https:\/\/www.woodenhottubsale.co.uk\/wood-fired-heater-for-hot-tub\/\" target=\"_blank\" rel=\"noopener\">View all wood-fired hot tub heaters in our range.<\/a><\/em><\/p>\n<h2 data-start=\"190\" data-end=\"241\">\ud83d\udd27 Technical Specifications Table (from drawing)<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"243\" data-end=\"1123\">\n<thead data-start=\"243\" data-end=\"268\">\n<tr data-start=\"243\" data-end=\"268\">\n<th data-start=\"243\" data-end=\"259\" data-col-size=\"sm\">Specification<\/th>\n<th data-start=\"259\" data-end=\"268\" data-col-size=\"md\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"279\" data-end=\"1123\">\n<tr data-start=\"279\" data-end=\"320\">\n<td data-start=\"279\" data-end=\"291\" data-col-size=\"sm\"><strong data-start=\"281\" data-end=\"290\" data-no-translation=\"\">Model<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"291\" data-end=\"320\">TimberIN SubmergeFire\u2122 26<\/td>\n<\/tr>\n<tr data-start=\"321\" data-end=\"381\">\n<td data-start=\"321\" data-end=\"339\" data-col-size=\"sm\"><strong data-start=\"323\" data-end=\"338\" data-no-translation=\"\">Heater type<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"339\" data-end=\"381\">Internal \/ Submersible (Snorkel-style)<\/td>\n<\/tr>\n<tr data-start=\"382\" data-end=\"407\">\n<td data-start=\"382\" data-end=\"393\" data-col-size=\"sm\"><strong data-start=\"384\" data-end=\"392\" data-no-translation=\"\">Fuel<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"393\" data-end=\"407\">Wood-fired<\/td>\n<\/tr>\n<tr data-start=\"408\" data-end=\"442\">\n<td data-start=\"408\" data-end=\"429\" data-col-size=\"sm\"><strong data-start=\"410\" data-end=\"428\" data-no-translation=\"\">Nominal output<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"429\" data-end=\"442\"><strong data-start=\"431\" data-end=\"440\" data-no-translation=\"\">26 kW<\/strong><\/td>\n<\/tr>\n<tr data-start=\"443\" data-end=\"475\">\n<td data-start=\"443\" data-end=\"465\" data-col-size=\"sm\"><strong data-start=\"445\" data-end=\"464\" data-no-translation=\"\">Main body width<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"465\" data-end=\"475\">700 mm<\/td>\n<\/tr>\n<tr data-start=\"476\" data-end=\"508\">\n<td data-start=\"476\" data-end=\"498\" data-col-size=\"sm\"><strong data-start=\"478\" data-end=\"497\" data-no-translation=\"\">Main body depth<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"498\" data-end=\"508\">300 mm<\/td>\n<\/tr>\n<tr data-start=\"509\" data-end=\"547\">\n<td data-start=\"509\" data-end=\"537\" data-col-size=\"sm\"><strong data-start=\"511\" data-end=\"536\" data-no-translation=\"\">Overall height (body)<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"537\" data-end=\"547\">900 mm<\/td>\n<\/tr>\n<tr data-start=\"548\" data-end=\"604\">\n<td data-start=\"548\" data-end=\"586\" data-col-size=\"sm\"><strong data-start=\"550\" data-end=\"585\" data-no-translation=\"\">Total height incl. chimney base<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"586\" data-end=\"604\">approx. 975 mm<\/td>\n<\/tr>\n<tr data-start=\"605\" data-end=\"650\">\n<td data-start=\"605\" data-end=\"634\" data-col-size=\"sm\"><strong data-start=\"607\" data-end=\"633\" data-no-translation=\"\">Base footprint (W \u00d7 D)<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"634\" data-end=\"650\">800 \u00d7 350 mm<\/td>\n<\/tr>\n<tr data-start=\"651\" data-end=\"688\">\n<td data-start=\"651\" data-end=\"678\" data-col-size=\"sm\"><strong data-start=\"653\" data-end=\"677\" data-no-translation=\"\">Lower section height<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"678\" data-end=\"688\">250 mm<\/td>\n<\/tr>\n<tr data-start=\"689\" data-end=\"726\">\n<td data-start=\"689\" data-end=\"716\" data-col-size=\"sm\"><strong data-start=\"691\" data-end=\"715\" data-no-translation=\"\">Upper chamber height<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"716\" data-end=\"726\">650 mm<\/td>\n<\/tr>\n<tr data-start=\"727\" data-end=\"778\">\n<td data-start=\"727\" data-end=\"754\" data-col-size=\"sm\"><strong data-start=\"729\" data-end=\"753\" data-no-translation=\"\">Firebox door opening<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"754\" data-end=\"778\">approx. 360 \u00d7 340 mm<\/td>\n<\/tr>\n<tr data-start=\"779\" data-end=\"835\">\n<td data-start=\"779\" data-end=\"809\" data-col-size=\"sm\"><strong data-start=\"781\" data-end=\"808\" data-no-translation=\"\">Water circulation ports<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"809\" data-end=\"835\">4 ports (front-facing)<\/td>\n<\/tr>\n<tr data-start=\"836\" data-end=\"906\">\n<td data-start=\"836\" data-end=\"874\" data-col-size=\"sm\"><strong data-start=\"838\" data-end=\"873\" data-no-translation=\"\">Chimney \/ flue diameter options<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"874\" data-end=\"906\">\u00d8160 \/ \u00d8180 \/ \u00d8200 \/ \u00d8220 mm<\/td>\n<\/tr>\n<tr data-start=\"907\" data-end=\"941\">\n<td data-start=\"907\" data-end=\"922\" data-col-size=\"sm\"><strong data-start=\"909\" data-end=\"921\" data-no-translation=\"\">Material<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"922\" data-end=\"941\">Stainless steel<\/td>\n<\/tr>\n<tr data-start=\"942\" data-end=\"988\">\n<td data-start=\"942\" data-end=\"970\" data-col-size=\"sm\"><strong data-start=\"944\" data-end=\"969\" data-no-translation=\"\">Installation position<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"970\" data-end=\"988\">Inside hot tub<\/td>\n<\/tr>\n<tr data-start=\"989\" data-end=\"1037\">\n<td data-start=\"989\" data-end=\"1004\" data-col-size=\"sm\"><strong data-start=\"991\" data-end=\"1003\" data-no-translation=\"\">Mounting<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"1004\" data-end=\"1037\">Internal floor \/ base mounted<\/td>\n<\/tr>\n<tr data-start=\"1038\" data-end=\"1123\">\n<td data-start=\"1038\" data-end=\"1064\" data-col-size=\"sm\"><strong data-start=\"1040\" data-end=\"1063\" data-no-translation=\"\">Typical application<\/strong><\/td>\n<td data-col-size=\"md\" data-start=\"1064\" data-end=\"1123\">1.8\u20132.2 m wooden hot tubs (size &amp; insulation dependent)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p data-start=\"1125\" data-end=\"1195\"><em data-start=\"1125\" data-end=\"1195\" data-no-translation=\"\">(Dimensions based on technical drawing; minor tolerances may apply.)<\/em><\/p>\n<p data-start=\"1125\" data-end=\"1195\"><a href=\"https:\/\/www.woodenhottubsale.co.uk\/ie\/wood-fired-heater-for-hot-tub\/\" target=\"_blank\" rel=\"noopener\">\ud83d\udc49\u00a0<em data-start=\"2685\" data-end=\"2756\" data-no-translation=\"\">See all our wood-fired hot tub heaters to compare models and outputs.<\/em><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p><!-- wp:paragraph --><\/p>\n<p><strong data-start=\"123\" data-end=\"152\" data-no-translation=\"\">TimberIN SubmergeFire\u2122 26<\/strong> is a <strong data-start=\"158\" data-end=\"202\" data-no-translation=\"\">26 kW internal wood-fired hot tub heater<\/strong> designed for submersible installation inside the tub. Its snorkel-style design minimises heat loss, eliminates external pipework, and delivers fast, efficient heating with a clean, integrated appearance.<\/p>\n<p><!-- \/wp:paragraph --><\/p>","protected":false},"featured_media":109158,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":""},"product_brand":[],"product_cat":[219],"product_tag":[4300,4298,4303,4301,4288,4299,4304,4302,4284],"pa_color":[],"pa_diam":[],"pa_heaters":[],"pa_height":[],"pa_length":[],"pa_size":[],"pa_stoves":[],"pa_woodtype":[],"class_list":{"0":"post-1219","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-wood-fired-heaters-for-hot-tubs","7":"product_tag-26-kw-hot-tub-heater","8":"product_tag-internal-hot-tub-heater","9":"product_tag-internal-wood-fired-heater","10":"product_tag-snorkel-hot-tub-heater","11":"product_tag-stainless-steel-hot-tub-heater","12":"product_tag-submersible-hot-tub-heater","13":"product_tag-timberin-heater","14":"product_tag-wood-fired-heater-for-hot-tub","15":"product_tag-wood-fired-hot-tub-heater","17":"first","18":"instock","19":"taxable","20":"shipping-taxable","21":"purchasable","22":"product-type-variable"},"wppr_data":{"cwp_meta_box_check":"No"},"uagb_featured_image_src":{"full":["https:\/\/www.woodenhottubsale.co.uk\/wp-content\/uploads\/2014\/09\/Submersible-internal-wood-burning-stove.png",764,775,false],"thumbnail":["https:\/\/www.woodenhottubsale.co.uk\/wp-content\/uploads\/2014\/09\/Submersible-internal-wood-burning-stove-150x150.png",150,150,true],"medium":["https:\/\/www.woodenhottubsale.co.uk\/wp-content\/uploads\/2014\/09\/Submersible-internal-wood-burning-stove-300x304.png",300,304,true],"medium_large":["https:\/\/www.woodenhottubsale.co.uk\/wp-content\/uploads\/2014\/09\/Submersible-internal-wood-burning-stove.png",null,null,true],"large":["https:\/\/www.woodenhottubsale.co.uk\/wp-content\/uploads\/2014\/09\/Submersible-internal-wood-burning-stove-700x710.png",700,710,true]},"uagb_author_info":{"display_name":"dr. Tom Granger UK [VERIFIED REVIEW]","author_link":"https:\/\/www.woodenhottubsale.co.uk\/ie\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"TimberIN SubmergeFire\u2122 26 is a 26 kW internal wood-fired hot tub heater designed for submersible installation inside the tub. Its snorkel-style design minimises heat loss, eliminates external pipework, and delivers fast, efficient heating with a clean, integrated appearance.","_links":{"self":[{"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/product\/1219","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/comments?post=1219"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/media\/109158"}],"wp:attachment":[{"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/media?parent=1219"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/product_brand?post=1219"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/product_cat?post=1219"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/product_tag?post=1219"},{"taxonomy":"pa_color","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_color?post=1219"},{"taxonomy":"pa_diam","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_diam?post=1219"},{"taxonomy":"pa_heaters","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_heaters?post=1219"},{"taxonomy":"pa_height","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_height?post=1219"},{"taxonomy":"pa_length","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_length?post=1219"},{"taxonomy":"pa_size","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_size?post=1219"},{"taxonomy":"pa_stoves","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_stoves?post=1219"},{"taxonomy":"pa_woodtype","embeddable":true,"href":"https:\/\/www.woodenhottubsale.co.uk\/ie\/wp-json\/wp\/v2\/pa_woodtype?post=1219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}