{"title":"Best Sellers | Hydronic Heating Warehouse","description":"\u003cp data-start=\"394\" data-end=\"683\"\u003eDiscover our most popular RV heating parts and service kits — trusted by technicians and RV owners nationwide. This collection features best-selling components from \u003cstrong data-start=\"559\" data-end=\"571\"\u003eAqua-Hot\u003c\/strong\u003e, \u003cstrong data-start=\"573\" data-end=\"582\"\u003eOasis\u003c\/strong\u003e, and \u003cstrong data-start=\"588\" data-end=\"597\"\u003eTruma\u003c\/strong\u003e, including fuel filter kits, decalcification tablets, and complete service bundles.\u003c\/p\u003e\n\u003cp data-start=\"685\" data-end=\"893\"\u003e✅ \u003cstrong data-start=\"687\" data-end=\"712\"\u003eTop-selling OEM parts\u003c\/strong\u003e for Aqua-Hot, Oasis, and Truma systems\u003cbr data-start=\"751\" data-end=\"754\"\u003e🧰 \u003cstrong data-start=\"757\" data-end=\"795\"\u003eAnnual and multi-year service kits\u003c\/strong\u003e for reliable maintenance\u003cbr data-start=\"820\" data-end=\"823\"\u003e💧 \u003cstrong data-start=\"826\" data-end=\"848\"\u003eCustomer favorites\u003c\/strong\u003e proven for performance and long-term value\u003c\/p\u003e\n\u003cp data-start=\"895\" data-end=\"1063\"\u003eWhether you’re performing a seasonal service or stocking your shop, these are the parts customers choose most to keep their hydronic heating systems running like new.\u003c\/p\u003e","products":[{"product_id":"aqua-hot-webasto-controller-wpe-300-901","title":"Aqua Hot Webasto Controller WPE-300-901","description":"\u003cdiv class=\"productDescription\"\u003e  Aqua Hot Webasto Controller WPE-300-901 This controller box will control any Webasto DBW-2010 burner.   Note that there is \"A\" plug built in (not used in Aqua-Hot application).\u003cbr\u003e  NOTE: This part is NOT returnable for credit or refund Bracket for mounting on Webasto burner is built on to the controller.\u003cbr\u003e  This controller is for 12-volt webasto systems ONLY.\u003cbr\u003e  Operation of \"Diesel\" light inside coach is different than the older boxes.  Directions included with purchase.\u003cbr\u003e  \u003c\/div\u003e\u003cbr\u003e","brand":"Sure Marine Service","offers":[{"title":"Default Title","offer_id":45470290837703,"sku":"WPE-300-901","price":959.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_ca329397-e713-401c-a35b-b490b7815e35.jpg?v=1756225515"},{"product_id":"12vdc-ignition-coil-dbw-2010-wpx-101-838","title":"12VDC Ignition Coil DBW-2010 WPX-101-838","description":"Replacement 12-volt DC ignition coil (WPX-101-838) for the Webasto DBW-2010 diesel burner. Generates the high-voltage spark needed to ignite the fuel-air mixture in the combustion chamber. A weak or failed ignition coil is one of the most common causes of burner no-start conditions. Direct-fit replacement for Aqua-Hot, Hydro-Hot, and other Webasto-based RV hydronic heating systems.","brand":"Valeo","offers":[{"title":"Default Title","offer_id":45470293000391,"sku":"101838Z","price":536.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_8bf5bca6-8333-4a87-a7a5-c29252ea91af.jpg?v=1756225519"},{"product_id":"truma-aquago-decalcification-tablets-6-per","title":"Truma AquaGo Decalcification Tablets (6 per)","description":"\u003cdiv id=\"productDescription_feature_div\" class=\"celwidget\" data-feature-name=\"productDescription\" data-csa-c-type=\"widget\" data-csa-c-content-id=\"productDescription\" data-csa-c-slot-id=\"productDescription_feature_div\" data-csa-c-asin=\"\" data-csa-c-is-in-initial-active-row=\"false\" data-csa-c-id=\"27i8fl-fstjb3-h0tc4-pbwojf\" data-cel-widget=\"productDescription_feature_div\"\u003e\n\u003cdiv data-feature-name=\"productDescription\" data-template-name=\"productDescription\" id=\"productDescription_feature_div\" class=\"a-row feature\" data-cel-widget=\"productDescription_feature_div\"\u003e\n\u003cdiv id=\"productDescription\" class=\"a-section a-spacing-small\"\u003e\n\u003cp\u003eTruma AquaGo Decalcification Tablets (6 per)\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"detailBulletsWithExceptions_feature_div\" class=\"celwidget\" data-feature-name=\"detailBulletsWithExceptions_feature_V2\" data-csa-c-type=\"widget\" data-csa-c-content-id=\"detailBulletsWithExceptions_feature_V2\" data-csa-c-slot-id=\"detailBulletsWithExceptions_feature_div\" data-csa-c-asin=\"\" data-csa-c-is-in-initial-active-row=\"false\" data-csa-c-id=\"ydfyyn-ldk1eu-twqk6z-i7a7ri\" data-cel-widget=\"detailBulletsWithExceptions_feature_div\"\u003e\n\u003cdiv id=\"detailBulletsWrapper_feature_div\" data-feature-name=\"detailBullets\" data-template-name=\"detailBullets\" class=\"a-section feature detail-bullets-wrapper bucket\" data-cel-widget=\"detailBulletsWrapper_feature_div\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Truma Corp","offers":[{"title":"Default Title","offer_id":45470311317703,"sku":"77300-01","price":28.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_be9a33fc-5097-40ac-94a5-71c363882552.jpg?v=1756225987"},{"product_id":"truma-aquago-mixing-vessel-not-for-retail-sale","title":"Truma AquaGo Mixing Vessel (Not for Retail Sale) – OEM RV Water Heater Replacement Part","description":"\u003ch3 data-start=\"568\" data-end=\"600\"\u003eTruma AquaGo Mixing Vessel \u003c\/h3\u003e\n\u003cp data-start=\"601\" data-end=\"624\"\u003e\u003cstrong data-start=\"601\" data-end=\"624\"\u003eNOT FOR RETAIL SALE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"626\" data-end=\"759\"\u003eThis genuine OEM \u003cstrong data-start=\"643\" data-end=\"673\"\u003eTruma AquaGo Mixing Vessel\u003c\/strong\u003e is a direct replacement component for Truma AquaGo on-demand RV water heater systems.\u003c\/p\u003e\n\u003cp data-start=\"761\" data-end=\"967\"\u003eThe mixing vessel plays a critical role in stabilizing water temperature by blending hot and cold water internally, helping prevent temperature spikes and improving overall hot water consistency in your RV.\u003c\/p\u003e\n\u003ch3 data-start=\"1089\" data-end=\"1123\"\u003eWhy Replace the Mixing Vessel?\u003c\/h3\u003e\n\u003cul data-start=\"1124\" data-end=\"1239\"\u003e\n\u003cli data-start=\"1124\" data-end=\"1162\"\u003e\n\u003cp data-start=\"1126\" data-end=\"1162\"\u003eInconsistent hot water temperature\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1163\" data-end=\"1194\"\u003e\n\u003cp data-start=\"1165\" data-end=\"1194\"\u003eInternal damage or cracking\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1195\" data-end=\"1239\"\u003e\n\u003cp data-start=\"1197\" data-end=\"1239\"\u003eService replacement during AquaGo repair\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1241\" data-end=\"1353\"\u003eThis is an original equipment component engineered to meet factory specifications for proper system performance.\u003c\/p\u003e","brand":"Truma Corp","offers":[{"title":"Mixing Vessel Only","offer_id":46367744590023,"sku":"77000-00028","price":475.99,"currency_code":"USD","in_stock":true},{"title":"Mixing Vessel \u0026 Circulation Pump","offer_id":46367744622791,"sku":"770-000-0030","price":649.99,"currency_code":"USD","in_stock":true},{"title":"Mixing Vessel + Circulaiton Pump + Filter Assembly Kit","offer_id":46367744655559,"sku":"770-000-0029","price":795.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_c72d0449-bd9d-494b-9437-7298c93e7786.jpg?v=1756225988"},{"product_id":"truma-aquago-circulation-pump-not-for-retail-sale","title":"Truma AquaGo Circulation Pump (Not for Retail Sale) – OEM RV Hot Water Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eNOT FOR RETAIL SALE\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eGenuine OEM Truma AquaGo circulation pump for Truma AquaGo RV tankless water heaters. This pump supports proper internal water flow and overall system performance.\u003c\/p\u003e\n\u003cp\u003eDirect replacement component built to factory specifications.\u003c\/p\u003e\n\u003cp\u003e⚠ \u003cstrong\u003eNot for Retail Sale.\u003c\/strong\u003e Intended for professional service installation only.\u003c\/p\u003e","brand":"Truma Corp","offers":[{"title":"Default Title","offer_id":45470311514311,"sku":"77000-90600","price":189.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_57c4d0bd-2eb8-4f0f-92f9-109ee7351d94.png?v=1756225992"},{"product_id":"2150-service-kit-annual-oasis-ch50-9002-6022-6020-14024-14025","title":"Annual Service Kit for Oasis CH50 – SKU 2150","description":"\u003cdiv class=\"productDescription\"\u003e(9002, 6022, 6020, 14024, 14025)\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"productDescription\"\u003eKeep Your Oasis CH50 Running Smoothly All Year Long!\u003cbr\u003e\u003cbr\u003eIntroducing the 2150 Service Kit: Annual Oasis CH50, your ultimate solution for ensuring peak performance of your Oasis model CH50. Designed specifically for models 9002, 6022, 6020, 14024, and 14025, this comprehensive service kit includes all the essentials for a thorough annual maintenance. With a service kit year of 1 year, you can trust that your equipment will continue to operate efficiently and reliably. Experience the peace of mind that comes with knowing your Oasis CH50 is well-maintained and ready to deliver optimal performance. Whether you're a professional or a DIY enthusiast, this service kit is easy to use and ensures that your Oasis CH50 remains in top condition. Don't let maintenance issues slow you down – invest in the 2150 Service Kit today and keep your Oasis CH50 running smoothly all year long!\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cdiv class=\"productAttributes\"\u003e\n\u003cdiv class=\"productAttributesTitle\"\u003eItem Attributes\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"attributeName\"\u003eService Kit Year\u003c\/td\u003e\n\u003ctd class=\"attributeValue\"\u003e1 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"attributeName\"\u003eOasis Model\u003c\/td\u003e\n\u003ctd class=\"attributeValue\"\u003eCH50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"International Thermal Research ITR","offers":[{"title":"Single","offer_id":46029389627591,"sku":"2150","price":144.99,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":46029389660359,"sku":"2150-2PK","price":283.99,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":46029389693127,"sku":"2150-4PK","price":559.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_254ff49c-be40-4858-ba56-4e081459f055.jpg?v=1756226357"},{"product_id":"2151-service-kit-3-year-oasis-ch50-9002-6022-6020-14024-14025-20106","title":"3-Year Service Kit for Oasis CH50 – SKU 2151","description":"\u003cdiv class=\"productDescription\"\u003e   (9002, 6022, 6020, 14024, 14025, 20106) \u003c\/div\u003e\u003cbr\u003e\u003cdiv class=\"productAttributes\"\u003e  \u003cdiv class=\"productAttributesTitle\"\u003eItem Attributes  \u003c\/div\u003e  \u003ctable\u003e    \u003ctr\u003e      \u003ctd class=\"attributeName\"\u003eService Kit Year      \u003c\/td\u003e      \u003ctd class=\"attributeValue\"\u003e3 Year      \u003c\/td\u003e    \u003c\/tr\u003e    \u003ctr\u003e      \u003ctd class=\"attributeName\"\u003eOasis Model      \u003c\/td\u003e      \u003ctd class=\"attributeValue\"\u003eCH50      \u003c\/td\u003e    \u003c\/tr\u003e  \u003c\/table\u003e\n\u003c\/div\u003e","brand":"International Thermal Research ITR","offers":[{"title":"Default Title","offer_id":45470329241799,"sku":"2151","price":349.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_bac7772b-c650-40bb-8395-2ceea33523c4.jpg?v=1756226358"},{"product_id":"2152-service-kit-5-year-oasis-ch50-9002-6022-6020-14024-14025-20106-14070","title":"5-Year Service Kit for Oasis CH50 – SKU 2152","description":"\u003cdiv class=\"productDescription\"\u003e(9002, 6022, 6020, 14024, 14025, 20106, 14070)\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"productAttributes\"\u003e\n\u003cdiv class=\"productAttributesTitle\"\u003eItem Attributes\u003c\/div\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"attributeName\"\u003eService Kit Year\u003c\/td\u003e\n\u003ctd class=\"attributeValue\"\u003e5 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"attributeName\"\u003eOasis Model\u003c\/td\u003e\n\u003ctd class=\"attributeValue\"\u003eCH50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- retail-radar-aliases-start --\u003e\n\u003ch4\u003eAlso known as\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5 Year Service Kit, Oasis CH50 (5270, 6022, BEM-B, 14024, 14025, 20106, 14070) - 2152\u003c\/li\u003e\n  \u003cli\u003eservice kit\u003c\/li\u003e\n  \u003cli\u003e14025\u003c\/li\u003e\n  \u003cli\u003e14070\u003c\/li\u003e\n  \u003cli\u003e20106\u003c\/li\u003e\n  \u003cli\u003e2152\u003c\/li\u003e\n  \u003cli\u003e2152 Service Kit\u003c\/li\u003e\n  \u003cli\u003e5 Year\u003c\/li\u003e\n  \u003cli\u003e5 Year Rebuild Kit Oasis\u003c\/li\u003e\n  \u003cli\u003e5 Year Service Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- retail-radar-aliases-end --\u003e","brand":"International Thermal Research ITR","offers":[{"title":"Default Title","offer_id":45470329569479,"sku":"2152","price":476.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_f76818a3-ee6c-4b2b-829c-20246e947a18.jpg?v=1756226358"},{"product_id":"mini-general-service-kit-filter-nozzle","title":"Mini General Service Kit - FILTER \u0026 NOZZLE","description":"\u003cp\u003eMini general service kit with fuel filter and burner nozzle for diesel hydronic heating systems. This cost-saving bundle covers the two most commonly replaced maintenance items in one kit. The filter removes contaminants from fuel before they reach the burner, while a fresh nozzle ensures proper fuel atomization for clean, efficient combustion. Ideal for annual preventive maintenance on Aqua-Hot, Hydro-Hot, and Webasto-equipped systems.\u003c\/p\u003e","brand":"106400","offers":[{"title":"Single","offer_id":46617362727111,"sku":"AHPW-FLE-886","price":46.99,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":46617362759879,"sku":"AHPW-FLE-887","price":92.98,"currency_code":"USD","in_stock":true},{"title":"4 Pack","offer_id":46617362792647,"sku":"AHPW-FLE-888","price":179.96,"currency_code":"USD","in_stock":true},{"title":"6 Pack","offer_id":46617362825415,"sku":"AHPW-FLE-889","price":260.94,"currency_code":"USD","in_stock":true},{"title":"8 Pack","offer_id":46617362858183,"sku":"AHPW-FLE-890","price":343.92,"currency_code":"USD","in_stock":true},{"title":"10 Pack","offer_id":46617362890951,"sku":"AHPW-FLE-891","price":424.9,"currency_code":"USD","in_stock":true},{"title":"12 Pack","offer_id":46617362923719,"sku":"AHPW-FLE-892","price":503.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_5d186e04-5482-4ac5-a851-8bca7072f659.jpg?v=1756226687"},{"product_id":"general-fuel-filter-kit","title":"General Fuel Filter Kit","description":"\u003cp\u003eGeneral fuel filter kit for diesel hydronic heating systems including Aqua-Hot, Hydro-Hot, and Webasto-equipped units. Contains the replacement fuel filter and associated hardware needed for routine fuel system maintenance. Clean fuel filtration is essential for reliable burner starts, efficient combustion, and long nozzle life. Replace at least annually or more frequently in dusty or poor-fuel environments.\u003c\/p\u003e","brand":"106400","offers":[{"title":"Default Title","offer_id":45470339170503,"sku":"AQH-GENERAL-KIT","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0719\/4945\/1463\/files\/BC_Upload_72cc084f-3e41-4bbc-900d-db8f3ea021d8.jpg?v=1756226688"}],"url":"https:\/\/www.hydronicheatingwarehouse.com\/collections\/popular-purchased-items\/webasto-dbw-2010.oembed","provider":"Hydronic Heating Warehouse","version":"1.0","type":"link"}