250L Solar Water Heater Non Pressurized Seven SS

Solar & Renewable Energy

250L Solar Water Heater Non Pressurized Seven SS

Name: 250L Solar Water Heater Non Pressurized Seven SS
Brand: Ruevan
Price: 77995.00 KES
Availability: InStock

KSh77,995.00 ~~KSh101,899.00~~

Product details

⚙️ Main Specifications – 250L Solar Water Heater Non-Pressurized Seven SS

✅ Capacity: 250 Liters 💧
✅ System Type: Non-Pressurized, Thermosiphon ♨️
✅ Collector Type: Vacuum Tube Collector 🌞
✅ Number of Tubes: 20–30 tubes 🔵
✅ Tube Material: Borosilicate Glass with Selective Coating 🔬
✅ Tube Size: ~58mm diameter, 1800mm length 📏
✅ Absorption Efficiency: ~92% ⚡
✅ Tank Material: Stainless Steel (SS 304/316) 🛢️
✅ Tank Insulation: Polyurethane Foam (PUF) (~50mm thick) 🏗️
✅ Frame Material: Stainless Steel or Aluminum Alloy 🔩
✅ Operating Temperature: 50°C - 95°C 🌡️
✅ Heat Retention: ~72 hours ⏳
✅ Mounting Angle: 20°-45° (depends on location) 📐
✅ Water Inlet Pressure: Gravity-fed (0 bar) 🚰
✅ Lifespan: 15+ years ⏲️
✅ Warranty: 5-10 years 🛠️

🌞 250L Solar Water Heater Non-Pressurized Seven SS

🔹 Detailed Description

The 250L Solar Water Heater Non-Pressurized Seven SS is an energy-efficient, eco-friendly solution for heating water using solar energy. It operates on the thermosiphon principle (♨️ natural convection) without requiring pumps or electricity. The system includes a stainless steel (SS) storage tank and high-efficiency vacuum tube collectors that capture solar energy to heat water.

Since it’s non-pressurized (💧 gravity-fed), it works best in locations where water is supplied from an overhead tank. The stainless steel build ensures durability and corrosion resistance, making it a long-lasting investment.

⚙️ Technical Specifications

📌 Feature	🔍 Specification
🔹 Capacity	250 Liters
🔹 System Type	Non-Pressurized, Thermosiphon
🔹 Collector Type	Vacuum Tube Collector (Glass Tubes)
🔹 Number of Tubes	20–30 tubes (depends on model)
🔹 Tube Material	Borosilicate Glass with Selective Coating
🔹 Tube Size	~58mm diameter, 1800mm length
🔹 Absorption Efficiency	~92%
🔹 Tank Material	Stainless Steel (SS 304/316)
🔹 Tank Insulation	Polyurethane Foam (PUF) (~50mm thick)
🔹 Frame Material	Stainless Steel or Aluminum Alloy
🔹 Operating Temperature	50°C - 95°C
🔹 Heat Retention	~72 hours
🔹 Mounting Angle	Typically 20°-45° (depends on latitude)
🔹 Water Inlet Pressure	Gravity-fed (0 bar)
🔹 Lifespan	15+ years with proper maintenance
🔹 Warranty	Typically 5-10 years

🏡 Applications

The 250L Solar Water Heater Non-Pressurized Seven SS is suitable for:

✅ 🏠 Residential Use – Provides hot water for families (4-6 people) for bathing, washing, and cooking.
✅ 🏨 Hotels & Lodges – Perfect for small guesthouses or lodges using low-pressure water supply.
✅ 🏫 Schools & Hostels – Supplies hot water for large groups efficiently.
✅ 🏥 Hospitals & Clinics – Helps with sterilization and hygiene needs.
✅ 🌿 Rural & Off-Grid Areas – Works great in locations with limited electricity, running solely on solar power.

🛠️ Maintenance & Care

Proper maintenance ensures optimal efficiency and extends the lifespan of your solar water heater (⚡♨️).

🔄 Regular Maintenance Tasks

🔹 Clean the Vacuum Tubes – Remove dust and debris every 3-6 months for maximum sunlight absorption. ☀️
🔹 Check Water Inlet & Outlet – Ensure there are no blockages or leaks. 🚰
🔹 Inspect the Storage Tank – Look for any corrosion or damage in the stainless steel tank. 🏗️
🔹 Flush the System – Remove sediment or mineral buildup every 6-12 months. 💦
🔹 Check for Leaks – Inspect all joints, seals, and connections. Replace rubber gaskets if needed. 🔧
🔹 Monitor Insulation – Ensure polyurethane foam (PUF) insulation is intact to prevent heat loss. ❄️

🌦️ Seasonal Maintenance

❄️ Winter Care – Protect against freezing by insulating pipes or using an anti-freeze solution.
🔥 Summer Optimization – If overheating occurs, install a temperature relief valve.

By following these maintenance tips, your 250L Solar Water Heater Non-Pressurized Seven SS will keep delivering hot water efficiently for years to come! 🚿♻️💧

Delivery & collection

We arrange delivery across Kenya. Delivery charges and timelines depend on your location and the size of the equipment. Prefer to collect? Visit Ruevan at Mithoo Biashara Center, Moi Avenue, Nairobi.

Delivery policy

Need help choosing?

Not sure whether this product suits your needs? Our team will help you check the right size, capacity and compatibility. Call or WhatsApp +254 757 191145 for help choosing your equipment.

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250L Solar Water Heater Non Pressurized Seven SS

⚙️ Main Specifications – 250L Solar Water Heater Non-Pressurized Seven SS