300 Litre Solar Geyser Tube Conversion System

300 Litre Solar Geyser Conversion (300L) — High-capacity retrofit solar geyser for larger families

Our solar geyser conversions transform your existing electric geyser into a solar-first system. The 300 Litre (300L) package pairs a durable manifold and a 30-tube evacuated collector with a circulation pump and Geyserwise Controller. Your current tank remains in place, while the sun provides most of the daily heating and the element serves as backup.

What’s included in this 300 Litre evacuated tube conversion

• Retrofit manifold + 30 evacuated tubes sized for a 300 Litre load — strong solar absorption and rapid heat transfer.
• Roof mounting frame with weather-rated fasteners (tiled/IBR options confirmed at site survey).
• Hydraulic kit: valves, lagging/insulation, piping & standard fittings for a neat connection to your geyser.
• Geyserwise Controller & pump for temperature monitoring, circulation control and scheduled element boosting.
• Professional installation with a PIRB-certified plumbing CoC on completion.

Why choose this retrofit solar geyser (300L)

• Big capacity: typically suits 5–6 people (guide: ~50 litres/person/day).
• Lower electricity costs: a solar geyser conversion lets the sun do the heavy lifting; the element tops up only when needed.
• Keep your tank: save by retrofitting instead of replacing the cylinder.
• Evacuated tube efficiency: reliable performance in cool, windy or variable weather.
• Neat, compliant install: professional workmanship and a PIRB CoC for peace of mind.

How a solar geyser conversion works

The retrofit solar geyser collector heats water in the manifold via evacuated tubes. A small pump circulates water between the collector and your existing geyser under Geyserwise control. The controller prioritises free solar heat, protects the system and can run timed element boosting for early mornings or overcast days. Many homes see substantial reductions in water-heating energy with a 300 Litre solar geyser conversion.

Installation areas, roofs & compliance

We install solar geyser conversions across Gauteng and Cape Town on tiled, IBR or corrugated roofs. During the site check we confirm mounting, pipe runs and controller placement. A PIRB plumbing CoC is issued on handover.

Ready to retrofit?

Contact us for a quotation. We’ll confirm your geyser size, roof type and hot-water profile, then provide a clear, itemised proposal for your 300 Litre retrofit solar geyser (300L, 30-tube).