Seven SS Stars 300L Non-pressurized Solar Water Heater

Seven SS Stars 300L Non-pressurized Solar Water Heater is designed to deliver reliable, energy-efficient hot water for residential and small commercial applications. Featuring a corrosion-resistant stainless steel tank with a white finish and an advanced non-pressurized vacuum tube system, this water heater provides up to 95°C of hot water while reducing electricity costs through effective solar thermal technology. Its durable construction, high-density insulation, and ease of installation make it an excellent sustainable solution for households seeking cost-effective water heating.

Product Features

Large 300-liter Capacity

Provides ample hot water for medium to large households or small businesses.

Non-pressurized Vacuum Tube System

Operates with gravity-fed water supply without requiring pressurization, ensuring safe and efficient heating.

Corrosion-resistant Stainless Steel Tank

Crafted from stainless steel with a white finish for enhanced durability and an attractive appearance.

High-quality Borosilicate Glass Tubes

Equipped with 30 to 35 evacuated vacuum tubes (58mm diameter, 1.8m length) for superior heat absorption.

Efficient Heat Retention

Features polyurethane foam insulation to minimize heat loss and maintain water temperature for longer.

Optional Heating Element and Controller

Supports an optional 1.5kW heating element and an intelligent controller for enhanced temperature regulation.

Easy Installation and Maintenance

Designed for straightforward setup and minimal maintenance, offering long-term reliability.

Product Specifications

• Tank capacity: 300 liters
• Tank material: Stainless steel with white finish
• Number of vacuum tubes: 30-35 borosilicate glass tubes
• Tube diameter: 58 mm
• Tube length: 1.8 meters
• System type: Non-pressurized, gravity-fed
• Maximum water temperature: Up to 95°C
• Insulation: High-density polyurethane foam
• Approximate weight (empty): 90 kg
• Warranty: Typically 5 years
• Additional components: Magnesium anode, safety valve, optional heating element and intelligent controller