Solar Geyser 32 Tubes 320 Liters – Large Solar Water Heater

This large solar geyser has 32 evacuated glass tubes and a 320 liter insulated tank, built for places that need a lot of hot water every day. Each tube is made of two layers of glass with a vacuum between them. The vacuum works like a thermos flask: sunlight heats the inner tube, and the vacuum stops the heat from escaping. More tubes means more heat collected, which is why this unit can fill a bigger tank than a 18 tube model. The heated water rises into the tank, where thick insulation keeps it hot for many hours. A 320 liter capacity suits a large family, a hostel, a guest house, a small hotel, a clinic or a small business with regular hot water needs. It helps to cut your gas or electricity use for water heating, and it works through most of the year in Pakistan’s strong sun. Output drops on cloudy days, so many buyers add an electric backup heater or keep their existing geyser in the circuit. A full tank is heavy, so the roof or stand must be strong enough.

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Solar Geyser (32 Tubes) – Key Features

• 32 vacuum tubes: more heat collected for a bigger tank
• 320 liter capacity: suits large households and small businesses
• Insulated tank: keeps water hot for long hours
• Lower energy bills: sunlight does the heating
• Replaceable tubes: swap a damaged one without changing the whole unit

Solar Geyser (32 Tubes) – Technical Specifications

• Type: Evacuated tube solar water heater
• Number of tubes: 32
• Tank capacity: 320 liters
• Tube size: commonly 58mm diameter and 1800mm length. Check your model
• Inner tank: usually stainless steel. Check the grade on your model
• Insulation: polyurethane foam on many models. Check your unit
• Outer shell: coloured steel or stainless steel, depending on the model
• System type: non-pressurised (open vent) or pressurised, depending on the model. Check your unit
• Backup heater: optional on many models
• Standards: check the label or maker information for your model

Who Should Buy This Solar Geyser?

• Large families with high hot water use
• Hostels, guest houses and small hotels
• Clinics, salons and small businesses
• Farm houses and housing projects
• Buyers who want to cut gas and electricity costs for water heating

Choosing Between 180 and 320 Liters

Choose the size by how much hot water you use each day. A 180 liter unit fits an average family. A 320 liter unit fits larger households or businesses with steady demand. A bigger tank costs more and weighs more when full, so check that your roof can carry it, and that you have enough sunny space for the larger frame.

Installation and Usage Guide

• Pick a sunny, shade free place with a strong, level base, as a 320 liter tank is heavy when full
• Face the tubes south and set the frame at the recommended tilt
• Fit the tubes gently into the tank, as the manual shows
• Connect the cold water inlet, hot water outlet, vent and overflow, depending on the system type
• Fill the tank before the sun heats the tubes
• Clean the glass and check for broken tubes regularly
• Ask your supplier about frost protection if you are in a freezing area
• Installation should be done by a qualified installer

Frequently Asked Questions

How many people does 320 liters suit?
It suits a large family or a small business. Real use depends on your daily demand.

Does it work in winter?
Yes, but output is lower on cloudy and very cold days.

Can I add an electric backup?
Many models allow one. Check your unit.

Is the roof strong enough?
A full tank is heavy. Ask your installer to check.

Can I replace a single tube?
Yes, tubes can be replaced one at a time.

Is it better than a gas geyser?
It has low running cost, but needs sun and space. Many homes keep a backup.

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