Premium solar water heating systems engineered with internationally acclaimed Glass Lining technology — delivering clean, efficient hot water for homes and businesses across India.
Install a solar rooftop system and not only cut your electricity bills to zero — feed surplus energy back to the grid and earn returns on your investment.
Make your rooftop work for you — every day, rain or shine.
Astral Solar Water Heaters is a Bengaluru-based brand dedicated to making solar energy practical, accessible, and reliable for every Indian household and business.
We supply and install premium solar water heating systems built on internationally renowned Glass Lining technology — the same standard trusted by top manufacturers worldwide. Our product range extends beyond solar heaters to a full spectrum of home energy and water solutions.
Premium solar water heating systems backed by internationally acclaimed Glass Lining technology — plus a full range of home energy and water management solutions.
Engineered with Glass Lining technology — a non-stick Porcelain Enamel inner tank coating melted at high temperature in an automated furnace. An internationally renowned technology that provides clean, corrosion-free hot water every day.
| Inner Tank Material & Grade | CRCA – CR2 as per IS-513 |
| Inner Tank Thickness | 2 mm |
| Inner Tank Coating | Porcelain Enamel (Blue) |
| Firing Temperature | 850 ± 10 °C |
| Coating DFT | 200 ~ 400 Microns |
| Tube Hole Diameter | Ø 58 |
| Inlet & Outlet Pipes | 1" Outer Thread |
| Hand Hole Provision | 4" with Silcon Gasket & Flange |
| Heating Element Provision | Optional |
Glass Lining is a non-stick coating created by melting special glass material in an automatic furnace at a very high temperature (around 850°C). This internationally renowned technology in solar water heating systems helps to provide clean hot water.
Unlike common inner tanks that are liable to corrosion of ions in the water, Astral's Porcelain Enamel inner tank creates a complete barrier — protecting water quality and extending tank life dramatically.
Available in six capacity options from 100 LPD to 500 LPD — for homes, apartments, hotels, and commercial establishments.
| Technical Parameter | 100 LPD | 150 LPD | 200 LPD | 250 LPD | 300 LPD | 500 LPD |
|---|---|---|---|---|---|---|
| Inner Tank Material & Grade | CRCA – CR2 as per IS-513 | |||||
| Inner Tank Thickness (mm) | 1.6 | |||||
| Inner Tank Coating Material | Porcelain Enamel (Blue) | |||||
| Firing Temperature (°C) | 850 ± 10 | |||||
| Coating DFT (Microns) | 200 ~ 400 | |||||
| Inner Tank Diameter (mm) | Ø 380 | Ø 450 | ||||
| Inner Tank Length (mm) | 1190 | 1590 | 1990 | 2390 | 2790 | 2800 |
| Tube Hole Diameter | Ø 58 | |||||
| No. of Tubes | 10 | 15 | 20 | 25 | 30 | 32 |
| Inlet & Outlet Pipes | 1" Outer Thread | |||||
| Hand Hole Provision | 4" Hand Hole with Silcon Gasket & Flange | |||||
| Heating Element Provision | Optional | |||||
Beyond solar water heating, we offer a comprehensive range of home energy and water management products.
Have a question about our products, need a quote, or want to schedule an installation? We'd love to hear from you.