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Evacuated Glass Tube Collector (ETC)
- The Storage tank is made up of SS-316 grade with PUF insulation and SS cladding
- Advantage: Maximum heat retention.
- Handles hard water upto 800 PPM without drop in efficiency
- Advantage: Reduces maintenance expenses. Does not need frequent cleaning.
- Inner Glass Tube
- Selective Absorbing Coating
- Vacuum Gap
- Cover Glass Tube
- Supporting Component
- Gas Absorbent
- Absorbing Film
- ETC tracks the sun throughout the day intercepting more than 93% of incident solar radiation.
- Advantage: Low start up time because of high thermal efficiency. Water gets heated at a faster rate.
- Smaller System Size
- Advantage: Requires lesser space for installation suitable for multistorey apartments.
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