{"product_id":"sunearth-heat-exchanger-sp31-30dw","title":"SunEarth Heat Exchanger SP31-30DW","description":"\u003cp\u003e\u003cspan\u003eThe \u003cstrong\u003eSunEarth SP31‑30DW Dual‑Wall SunPlate Heat Exchanger\u003c\/strong\u003e is engineered for maximum safety and efficiency in solar thermal and hydronic heating systems. Built from \u003cstrong\u003epremium stainless steel\u003c\/strong\u003e with \u003cstrong\u003edual‑wall isolation\u003c\/strong\u003e, it ensures reliable heat transfer while preventing cross‑contamination between fluids — ideal for \u003cstrong\u003epotable water applications\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2380\/1317\/files\/EarthSun_HeatExchanger_SP31-30DW.png?v=1783368909\"\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cp\u003e⚙️\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cspan class=\"PDq2pG_selectionAnchor\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ctable style=\"width: 100.059%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.1274%;\" scope=\"col\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_Feature_Details\" role=\"button\" tabindex=\"0\"\u003eFeature\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 61.5746%;\" scope=\"col\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.1274%;\" scope=\"row\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_Dual_Wall_Design\" role=\"button\" tabindex=\"0\"\u003eDual‑Wall Design\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 61.5746%;\"\u003eProvides fluid isolation for potable water safety\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.1274%;\" scope=\"row\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_Stainless_Steel\" role=\"button\" tabindex=\"0\"\u003eStainless Steel\u003cbr\u003eConstruction\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 61.5746%;\"\u003eCorrosion‑resistant stainless steel ensures long‑term durability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.1274%;\" scope=\"row\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_30_Plate_Design\" role=\"button\" tabindex=\"0\"\u003e30 Plate\u003cbr\u003eConfiguration\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 61.5746%;\"\u003eMaximizes surface area for efficient heat transfer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.1274%;\" scope=\"row\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_1in_NPT_Ports\" role=\"button\" tabindex=\"0\"\u003e1″ NPT Ports\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 61.5746%;\"\u003eStandard threaded ports for easy system integration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.1274%;\" scope=\"row\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_Thermal_Efficiency\" role=\"button\" tabindex=\"0\"\u003eHigh Thermal\u003cbr\u003eEfficiency\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 61.5746%;\"\u003eOptimized flow channels for rapid heat exchange\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 38.1274%;\" scope=\"row\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_Compact_Design\" role=\"button\" tabindex=\"0\"\u003eCompact Footprint\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 61.5746%;\"\u003eSpace‑saving design ideal for solar and hydronic systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\" data-end=\"2150\" data-start=\"2124\" data-section-id=\"zjxypn\"\u003e\u003cstrong\u003e\u003cbr\u003e⚙️Technical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003ctable style=\"width: 100.059%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"col\"\u003e\u003cstrong\u003e\u003cspan data-url=\"ca:\/\/s?q=SunEarth_SP31-30DW_Technical_Specs\" role=\"button\" tabindex=\"0\"\u003eSpecification\u003c\/span\u003e\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"width: 71.6956%;\" scope=\"col\"\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003eSP31‑30DW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003eDual‑Wall Plate Heat Exchanger\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003eStainless steel plates with copper brazing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003ePort Size\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003e1″ NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003ePlate Count\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003e30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003eApprox. 15″ L × 5″ W × 3″ H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003e≈ 13 lb (5.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003eSolar thermal systems, potable water heating, hydronic loops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eSafety Feature\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003eDual‑wall isolation for fluid separation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"width: 28.0063%;\" scope=\"row\"\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 71.6956%;\"\u003ePolished stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp data-section-id=\"1cgu054\" data-start=\"1354\" data-end=\"1381\" class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003e\u003cbr\u003e⚙️Technical Documents:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv data-bfc=\"\" class=\"\" data-ved=\"2ahUKEwiP1NmOrrKVAxWfMTQIHQaSASIQi4wTegoIAggACAEIBBAA\" data-copy-service-computed-style='font-family: \"Google Sans\", Roboto, Arial, sans-serif; font-size: 16px; font-weight: 400; margin: 0px; text-decoration: none; border-bottom: 0px rgb(10, 10, 10);'\u003e\n\u003cp style=\"padding-left: 40px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2380\/1317\/files\/SunEarth_2026_catalog.pdf?v=1782940446\" title=\"SunEarth Product Catalog\"\u003e\u003cstrong\u003eProduct Catalog\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sun Earth","offers":[{"title":"Default Title","offer_id":45710186315829,"sku":"SP31-30DW","price":3200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2380\/1317\/files\/EarthSun_HeatExchanger_SP31-30DW.png?v=1783368909","url":"https:\/\/plumbestore.com\/products\/sunearth-heat-exchanger-sp31-30dw","provider":"plumbEstore","version":"1.0","type":"link"}