{"product_id":"250l-solar-water-heater-non-pressurized-seven-ss","title":"250L Solar Water Heater Non Pressurized Seven SS","description":"\u003ch3\u003e\u003cstrong\u003e⚙️ Main Specifications – 250L Solar Water Heater Non-Pressurized Seven SS\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003e✅ Capacity: 250 Liters 💧\u003cbr\u003e✅ System Type: Non-Pressurized, Thermosiphon ♨️\u003cbr\u003e✅ Collector Type: Vacuum Tube Collector 🌞\u003cbr\u003e✅ Number of Tubes: 20–30 tubes 🔵\u003cbr\u003e✅ Tube Material: Borosilicate Glass with Selective Coating 🔬\u003cbr\u003e✅ Tube Size: ~58mm diameter, 1800mm length 📏\u003cbr\u003e✅ Absorption Efficiency: ~92% ⚡\u003cbr\u003e✅ Tank Material: Stainless Steel (SS 304\/316) 🛢️\u003cbr\u003e✅ Tank Insulation: Polyurethane Foam (PUF) (~50mm thick) 🏗️\u003cbr\u003e✅ Frame Material: Stainless Steel or Aluminum Alloy 🔩\u003cbr\u003e✅ Operating Temperature: 50°C - 95°C 🌡️\u003cbr\u003e✅ Heat Retention: ~72 hours ⏳\u003cbr\u003e✅ Mounting Angle: 20°-45° (depends on location) 📐\u003cbr\u003e✅ Water Inlet Pressure: Gravity-fed (0 bar) 🚰\u003cbr\u003e✅ Lifespan: 15+ years ⏲️\u003cbr\u003e✅ Warranty: 5-10 years 🛠️\u003c\/p\u003e\n\u003chr\u003e\n\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\r\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"8fa4b751-6f51-46d6-9086-af544e7ea2c5\" data-message-model-slug=\"gpt-4o\"\u003e\r\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\r\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\r\n\u003ch3\u003e\u003cstrong\u003e🌞 250L Solar Water Heater Non-Pressurized Seven SS\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003ch4\u003e\u003cstrong\u003e🔹 Detailed Description\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp\u003eThe \u003cstrong\u003e250L Solar Water Heater Non-Pressurized Seven SS\u003c\/strong\u003e is an energy-efficient, eco-friendly solution for heating water using solar energy. It operates on the \u003cstrong\u003ethermosiphon principle\u003c\/strong\u003e (♨️ natural convection) without requiring pumps or electricity. The system includes a \u003cstrong\u003estainless steel (SS) storage tank\u003c\/strong\u003e and \u003cstrong\u003ehigh-efficiency vacuum tube collectors\u003c\/strong\u003e that capture solar energy to heat water.\u003c\/p\u003e\r\n\u003cp\u003eSince it’s \u003cstrong\u003enon-pressurized\u003c\/strong\u003e (💧 gravity-fed), it works best in locations where water is supplied from an overhead tank. The \u003cstrong\u003estainless steel\u003c\/strong\u003e build ensures durability and corrosion resistance, making it a long-lasting investment.\u003c\/p\u003e\r\n\r\n\r\n\u003chr\u003e\r\n\r\n\u003ch3\u003e\u003cstrong\u003e⚙️ Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003ctable\u003e\r\n\u003cthead\u003e\r\n\u003ctr\u003e\r\n\u003cth\u003e📌 \u003cstrong\u003eFeature\u003c\/strong\u003e\n\u003c\/th\u003e\r\n\u003cth\u003e🔍 \u003cstrong\u003eSpecification\u003c\/strong\u003e\n\u003c\/th\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/thead\u003e\r\n\u003ctbody\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Capacity\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003e250 Liters\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 System Type\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eNon-Pressurized, Thermosiphon\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Collector Type\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eVacuum Tube Collector (Glass Tubes)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Number of Tubes\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003e20–30 tubes (depends on model)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Tube Material\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eBorosilicate Glass with Selective Coating\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Tube Size\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003e~58mm diameter, 1800mm length\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Absorption Efficiency\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003e~92%\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Tank Material\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eStainless Steel (SS 304\/316)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Tank Insulation\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003ePolyurethane Foam (PUF) (~50mm thick)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Frame Material\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eStainless Steel or Aluminum Alloy\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Operating Temperature\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003e50°C - 95°C\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Heat Retention\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003e~72 hours\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Mounting Angle\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eTypically 20°-45° (depends on latitude)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Water Inlet Pressure\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eGravity-fed (0 bar)\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Lifespan\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003e15+ years with proper maintenance\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003ctr\u003e\r\n\u003ctd\u003e\u003cstrong\u003e🔹 Warranty\u003c\/strong\u003e\u003c\/td\u003e\r\n\u003ctd\u003eTypically 5-10 years\u003c\/td\u003e\r\n\u003c\/tr\u003e\r\n\u003c\/tbody\u003e\r\n\u003c\/table\u003e\r\n\r\n\u003chr\u003e\r\n\r\n\u003ch3\u003e\u003cstrong\u003e🏡 Applications\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003eThe \u003cstrong\u003e250L Solar Water Heater Non-Pressurized Seven SS\u003c\/strong\u003e is suitable for:\u003c\/p\u003e\r\n\u003cp\u003e✅ \u003cstrong\u003e🏠 Residential Use\u003c\/strong\u003e – Provides hot water for families (4-6 people) for bathing, washing, and cooking.\u003cbr\u003e✅ \u003cstrong\u003e🏨 Hotels \u0026amp; Lodges\u003c\/strong\u003e – Perfect for small guesthouses or lodges using low-pressure water supply.\u003cbr\u003e✅ \u003cstrong\u003e🏫 Schools \u0026amp; Hostels\u003c\/strong\u003e – Supplies hot water for large groups efficiently.\u003cbr\u003e✅ \u003cstrong\u003e🏥 Hospitals \u0026amp; Clinics\u003c\/strong\u003e – Helps with sterilization and hygiene needs.\u003cbr\u003e✅ \u003cstrong\u003e🌿 Rural \u0026amp; Off-Grid Areas\u003c\/strong\u003e – Works great in locations with limited electricity, running solely on solar power.\u003c\/p\u003e\r\n\r\n\r\n\u003chr\u003e\r\n\r\n\u003ch3\u003e\u003cstrong\u003e🛠️ Maintenance \u0026amp; Care\u003c\/strong\u003e\u003c\/h3\u003e\r\n\u003cp\u003eProper maintenance ensures optimal efficiency and extends the lifespan of your \u003cstrong\u003esolar water heater\u003c\/strong\u003e (⚡♨️).\u003c\/p\u003e\r\n\r\n\u003ch4\u003e\u003cstrong\u003e🔄 Regular Maintenance Tasks\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp\u003e🔹 \u003cstrong\u003eClean the Vacuum Tubes\u003c\/strong\u003e – Remove dust and debris every \u003cstrong\u003e3-6 months\u003c\/strong\u003e for maximum sunlight absorption. ☀️\u003cbr\u003e🔹 \u003cstrong\u003eCheck Water Inlet \u0026amp; Outlet\u003c\/strong\u003e – Ensure there are no blockages or leaks. 🚰\u003cbr\u003e🔹 \u003cstrong\u003eInspect the Storage Tank\u003c\/strong\u003e – Look for any corrosion or damage in the \u003cstrong\u003estainless steel tank\u003c\/strong\u003e. 🏗️\u003cbr\u003e🔹 \u003cstrong\u003eFlush the System\u003c\/strong\u003e – Remove sediment or mineral buildup \u003cstrong\u003eevery 6-12 months\u003c\/strong\u003e. 💦\u003cbr\u003e🔹 \u003cstrong\u003eCheck for Leaks\u003c\/strong\u003e – Inspect all joints, seals, and connections. Replace rubber gaskets if needed. 🔧\u003cbr\u003e🔹 \u003cstrong\u003eMonitor Insulation\u003c\/strong\u003e – Ensure \u003cstrong\u003epolyurethane foam (PUF)\u003c\/strong\u003e insulation is intact to prevent heat loss. ❄️\u003c\/p\u003e\r\n\r\n\u003ch4\u003e\u003cstrong\u003e🌦️ Seasonal Maintenance\u003c\/strong\u003e\u003c\/h4\u003e\r\n\u003cp\u003e❄️ \u003cstrong\u003eWinter Care\u003c\/strong\u003e – Protect against freezing by insulating pipes or using an anti-freeze solution.\u003cbr\u003e🔥 \u003cstrong\u003eSummer Optimization\u003c\/strong\u003e – If overheating occurs, install a temperature relief valve.\u003c\/p\u003e\r\n\u003cp data-is-last-node=\"\" data-is-only-node=\"\"\u003eBy following these \u003cstrong\u003emaintenance tips\u003c\/strong\u003e, your \u003cstrong\u003e250L Solar Water Heater Non-Pressurized Seven SS\u003c\/strong\u003e will keep delivering \u003cstrong\u003ehot water efficiently for years to come!\u003c\/strong\u003e 🚿♻️💧\u003c\/p\u003e\r\n\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003cdiv class=\"mb-2 flex gap-3 -ml-2\" tabindex=\"0\"\u003e\r\n\u003cdiv class=\"flex items-center justify-start rounded-xl p-1\"\u003e\r\n\u003cdiv class=\"flex items-center\"\u003e\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003c\/div\u003e","brand":"Ruevan","offers":[{"title":"Default Title","offer_id":67632927474033,"sku":null,"price":77995.0,"currency_code":"KES","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/5459\/2369\/files\/Pnone150Non_4ec56f1e-8be3-47e7-b900-67ecd46954b2.png?v=1791065701","url":"https:\/\/ruevan.co.ke\/products\/250l-solar-water-heater-non-pressurized-seven-ss","provider":"Ruevan","version":"1.0","type":"link"}