Solar Water Heater Pressurised

Advantages and Features:

1. Corrosion-Resistant Enamel Lining: Ensures long tank lifespan by protecting against rust and scale.

2. High-Efficiency Flat Plate Collector: Advanced absorption technology maximizes solar energy gain.

3. Significant Energy Savings: Drastically reduces or eliminates electricity bills for water heating.

4. Year-Round Freeze Protection: Closed-loop system with anti-freeze fluid for reliable operation in cold climates.

5. Durable & Low Maintenance: Robust construction and simple design ensure long-term reliability with minimal upkeep.

Product Details

Product Overview

Discover our pressurized solar water heater, a high-performance solar thermal system engineered for durability and efficiency. This integrated solar hot water system features a robust enamel-lined storage tank that resists corrosion, paired with a selective coating flat plate solar collector for maximum heat absorption. Designed to connect directly to your mains water supply, this closed-loop system delivers a constant, powerful flow of solar-heated water at mains pressure. It is an ideal energy-saving water heating solution for residential and commercial use, significantly reducing electricity consumption for hot water and providing an eco-friendly alternative to conventional water heaters.


Solar Water Heater Pressurised


Working Principle

This pressurized solar water heater operates using an advanced indirect circulation system:

1. Solar Energy Collection: The flat plate collector, installed on a sun-exposed roof, absorbs solar radiation. Its absorbent coating and insulated casing maximize solar thermal efficiency.

2. Heat Transfer Process: A proprietary anti-freeze heat transfer fluid is heated within the sealed copper tubes of the solar collector.

3. Closed-Loop Circulation: A pump, managed by a differential temperature controller, circulates the hot fluid through a heat exchanger coil surrounding the enamel water tank. This forms a pressurized primary circuit.

4. Indirect Water Heating: Heat is transferred from the coil to the potable water in the tank without the two fluids mixing, ensuring a clean and pressurized domestic hot water supply.

5. On-Demand Hot Water: When a tap is opened, the incoming mains water pressure pushes the stored hot water out, providing a strong flow to all outlets, identical to conventional systems but powered by free solar energy.


Solar Water Heater Pressurised


Product Parameter Table:

1. The product information in the table represents our standard products.

2. Customization is available.

Flat Plate Solar Collector

Collector

BTE2.0-2

BTE2.5-2

Overall area (m2)

2.0

2.5

Aperture area

1.87

2.34

L x W x H (mm)

2000x1000x80

2000x1250x80

Optical performance

78%

Absorber sheet

Al, highly selective coating

Frame

Aluminium

 

Enamel direct solar water heater

Model

BTE-ET-150

BTE-ET-200

BTE-ET-300

Collector

STK2.0-2(x1)

STK2.5-2(x1)

STK2.0-2(x2)

Tank(L)

150

200

300

Dimensions

Φ520*1300

Φ580*1310

Φ580*1830

Insulation

PU foam 50 mm

Working pressure

7 bar

Inner tank material

2.0mm

2.5mm enamelled

Outer tank material

Powder-coated steel

Auxiliary heating

1.5 KW

2.0 KW

2.0 KW

Corrosion protection

Magnesium anode

Mounting material

0°/ 25°/ 45° Galvanized sheet

 

Enamel indirect solar water heater

Model

BTE-ET-150

BTE-ET-200

BTE-ET-300

Collector

BTE2.0-2(x1)

BTE2.5-2(x1)

BTE2.0-2(x2)

Tank(L)

150

200

300

Dimensions

Φ520*1300

Φ580*1310

Φ580*1830

Insulation

PU foam 50 mm

Jacket Layer working pressure

2 bar

Working pressure

7 bar

Heat transfer medium

Glycol / water mixture

Inner tank material

2.0mm

2.5mm enamelled

Outer tank material

Powder-coated steel

Auxiliary heating

1.5 KW

2.0 KW

2.0 KW

Corrosion protection

Magnesium anode

Mounting material

0°/ 25°/ 45° Galvanized sheet


300 Liter Solar Water Heater



Stainless steel direct solar water heater

Model

BTE-ET-150

BTE-ET-200

BTE-ET-300

Collector

BTE2.0-2(x1)

BTE2.5-2(x1)

BTE2.0-2(x2)

Tank(L)

150

200

300

Dimensions

Φ520*1200

Φ580*1225

Φ580*1775

Insulation

PU foam 50 mm

Working pressure

7 bar

Inner tank material

SUS 304 / SUS 316L

Outer tank material

Powder-coated steel

Auxiliary heating

1.5 KW

2.0 KW

2.0 KW

Corrosion protection

Magnesium anode

Mounting material

0°/ 25°/ 45° Galvanized sheet


Key Factory Strengths

1. OEM/ODM Expertise in Solar Thermal: We specialize in manufacturing custom solar water heating systems, offering tailored pressurized solar solution designs to meet specific market needs.

2. Integrated In-House Manufacturing: Our vertical integration, from enamel tank production to solar panel assembly, ensures stringent quality control for solar heaters and competitive pricing.

3. Certified Durability & Safety: All pressurized components, including the enamel inner tank and collector loops, undergo rigorous testing to meet international standards for solar system pressure rating and long-term reliability.

4. Focused R&D for Performance: Our technical team continuously innovates to enhance the efficiency of flat plate collectors and the thermal performance of heat exchangers, ensuring maximum solar energy savings.


Solar Water Heater Pressurised


Ideal Applications

This versatile solar-powered hot water system is perfectly suited for:

1. Residential Solar Heating: An ideal home solar water heater for villas, apartments, and family homes requiring a constant, high-pressure supply.

2. Commercial Solar Thermal Projects: A cost-effective solar hot water solution for hotels, gyms, spas, and restaurants with high, continuous hot water demand.

3. Institutional Facilities: Providing sustainable water heating for schools, hospitals, and employee housing, reducing operational energy costs.

4. Small to Medium Enterprises (SMEs): Supplying pressurized hot water for industrial processes or cleaning in workshops and factories.



Solar Water Heater Pressurised

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