Description

150L Apollo High-Pressure Thermosyphon Solar Geyser – Complete System

The 150L Apollo high-pressure thermosyphon solar geyser is a complete solar hot water system for smaller homes, townhouses, flats and family properties that need reliable daily hot water without relying only on electric heating. It is a practical option for customers who want a roof-mounted solar geyser system with good storage capacity, high-pressure hot water delivery and electric backup support when needed.

This system is generally suitable for approximately 3 to 4 people, depending on shower habits, bath use, kitchen demand, laundry use and the way the household manages backup heating. For many small to medium-sized homes, the 150L size offers a useful balance between hot water capacity, roof space and everyday comfort.

The Apollo thermosyphon design uses solar energy to heat water during the day. As the collector warms the water, natural circulation moves hot water into the storage tank and cooler water toward the collector. This allows the system to operate during normal solar heating without relying on a circulation pump.

Customers comparing complete solar hot water options can also view our solar geysers page for other sizes and system types.

A Practical Solar Geyser Size for Everyday Homes

The 150L Apollo high-pressure thermosyphon solar geyser is often chosen for homes where the hot water demand is steady but not excessive. It can suit smaller families, couples, townhouses, flats, garden cottages and properties where several people need hot water daily, but where a larger 200L or 300L system may not be required.

The correct size depends on how the home uses hot water. A household that mostly uses showers may find the 150L capacity very practical. A property with frequent baths, long showers, heavy kitchen use or guests staying over may need to use backup heating more carefully or consider a larger system.

This makes the 150L Apollo system a sensible middle option for many customers. It provides more capacity than a small 100L unit while still remaining compact enough for many residential roof layouts.

Customers who need slightly more storage can compare this option with a 200L high-pressure solar geyser where household demand is higher.

Complete Apollo High-Pressure Thermosyphon System

This is a complete Apollo solar geyser system, not just a loose geyser tank. The system includes the 150L Apollo high-pressure solar geyser, solar collector, mounting frame, valves, pipework, fittings and insulation where specified.

The tank stores the heated water, while the solar collector gathers heat from the sun. The roof frame supports the system, and the plumbing components help manage pressure, water flow, expansion and safe operation.

Because the system operates under pressure, its components must be compatible with the property’s plumbing and operating conditions. Pressure control, safety valves, secure mounting and appropriate pipe routing all contribute to dependable performance.

How the Thermosyphon Heating Process Works

A thermosyphon solar geyser works through natural hot water movement. When the sun heats the water in the collector, the hotter water rises into the storage tank. Cooler water moves down toward the collector to be heated. This creates a natural circulation cycle while sunlight is available.

This simple movement is one of the main advantages of a thermosyphon solar geyser. During normal solar operation, the system does not depend on a pump to move water between the collector and tank. Fewer moving parts can make the system practical and dependable.

The performance of the system depends on roof position, sun exposure, shade, pipe insulation, weather conditions and household usage. Good collector positioning helps the system make better use of available sunlight.

High-Pressure Hot Water for Comfortable Use

The 150L Apollo system is designed for high-pressure hot water delivery. This makes it suitable for homes with normal pressurised plumbing, mixer taps, showers and bathroom fixtures.

High-pressure hot water can make daily use more comfortable, especially where the home already uses a pressurised geyser setup. The system should be matched to the property’s plumbing so that water pressure, valve protection and hot water delivery work together safely.

A high-pressure solar geyser is not the same as a basic low-pressure setup. It forms part of the home’s pressurised plumbing system and requires suitable pressure-control and safety components.

Helps Reduce Electricity Usage

The main benefit of the 150L Apollo high-pressure thermosyphon solar geyser is that it uses sunlight to heat water during the day. A geyser can be one of the more noticeable electricity users in a home, especially when the element is left on for long periods.

By using solar energy, the system can reduce how much heating work the electric element needs to do. On sunny days, the collector can heat the stored water and help reduce unnecessary electricity use.

The amount of saving depends on household habits, weather, roof position, shade, controller settings and how often backup heating is used. The system is designed to support lower electricity usage, while still keeping electric backup available for times when solar heating is not enough.

Electric Backup Heating for Reliable Hot Water

The 150L Apollo solar geyser can include electric backup heating so the household still has hot water support during cloudy weather, winter mornings, evenings or higher-use periods.

This is important because hot water is often needed early in the morning or after sunset, when the sun is not actively heating the collector. Backup heating makes the system practical for normal household routines.

The aim is not to use the electric element all day. The aim is to let solar energy do most of the heating where possible and use backup heating only when needed. This gives the home a good balance between energy saving and comfort.

Geyserwise Controller Option

A Geyserwise controller can be included with the 150L Apollo high-pressure thermosyphon solar geyser. The controller allows the customer to monitor the water temperature and manage electric backup heating more carefully.

With a controller, the user can see whether the water is already hot enough from solar heating. Timed backup heating can also be set for selected periods, such as before morning showers or evening use.

This helps reduce unnecessary element use because the geyser does not need to run continuously when solar heating has already warmed the water. It also gives the customer better control over comfort and electricity usage.

For more system management options, customers can also view our solar geyser controllers page.

Roof Mounting and Collector Position

The 150L Apollo thermosyphon solar geyser is designed for a suitable roof area where the tank and collector can receive good sunlight. Roof direction, pitch, available space, roof covering, shade and structural strength all affect the suitability of a particular roof.

Shade from trees, nearby buildings, chimneys, walls or other roof features can reduce performance. The system benefits from a position where it can make the best practical use of daylight.

The mounting frame must suit the roof structure and covering. Tiled, IBR, corrugated and other suitable roofing materials can have different mounting requirements.

Pipe Routing, Insulation and Heat Retention

Efficient pipe routing helps the system retain heat. Long or poorly planned pipe runs can waste energy, especially when pipes are exposed to wind or cold conditions.

Pipe insulation helps protect the heat collected by the solar system. This is important because solar-heated water should not lose unnecessary temperature before reaching the storage tank or the home’s plumbing.

Accessible valves, pipes and controls also make future servicing and maintenance more practical.

Valves, Pressure Control and Safety

A high-pressure solar geyser requires suitable valves and safety components. These parts help control pressure, manage expansion and protect the hot water system during operation.

The supplied components should be compatible with the system’s pressure rating and operating requirements. Safety valves and pressure-control components must remain accessible for inspection and maintenance.

These components support safe, reliable operation and help protect the system from excessive pressure and other operating problems.

Customers looking for related components can also view our solar geyser valves page for compatible valve and pressure-control products.

What the 150L Apollo System Includes

The 150L Apollo high-pressure thermosyphon solar geyser system normally includes the following components, subject to the selected product package:

• 150L Apollo high-pressure solar geyser

• Thermosyphon solar heating collector

• Roof frame and mounting components

• Valves, piping and fittings

• Pipe insulation where specified

• Optional Geyserwise controller for temperature monitoring and timed electric backup heating

These components work together as a complete solar hot water system. The tank stores the water, the collector heats it, the frame supports the roof-mounted equipment, the valves protect the plumbing system, and the optional controller helps manage electric backup heating.

Available in SA

The 150L Apollo high-pressure thermosyphon solar geyser is available to customers in SA.

It is a practical choice for small to medium-sized homes that need a complete solar hot water system with electric backup support.

Customers should consider their property’s roof space, plumbing layout, water pressure and household hot water usage when selecting a 150L thermosyphon system.

Why Choose the 150L Apollo High-Pressure Thermosyphon Solar Geyser?

The 150L Apollo high-pressure thermosyphon solar geyser is a strong option for customers who want dependable hot water and solar heating support in one complete system.

It gives small to medium-sized households a practical balance between stored hot water, energy saving, high-pressure delivery and backup heating. The thermosyphon design uses natural circulation during solar operation, while the optional controller helps manage electric backup more efficiently.

With suitable operating conditions, this Apollo system can provide reliable hot water, improved energy efficiency and long-term value for everyday household use.