Solar Thermal Products - Zing Solar Water Heating


Overview

The Vajra Plus Solar Water Heater consists of an absorber made of capper, a storage tank with PUF insulation, piping and a transparent cover. Solar energy heats the absorber surface and heat is transferred to the water flowing through the tubes attached to the absorber. The heated water is transferred to the insulated storage tank through thermosyphon effect. A transparent glass cover is placed above the absorber to reduce heat loss through radiation and wind. The bottom and sides of the absorber are covered with insulation to reduce both types of heat loss. The absorber, cover and insulator are placed within a metal container. Cold water flows from the bottom of the storage tank to the collector, from which heated water rises to the top of the storage tank. To maintain the functioning of the system, a constsant supply of cold water must be available. For this purpose, an overhead storage tank on the roof is convenient.

Features and Benefits

Features Benefits
PUF Insulation This ensures that the heat generated by the water heater is retained for long hours
Copper tubes of highest standard The superior conductivity of copper heats water to very high temperatures It ensures the availability of hot water, even on partially cloudy days
Laser welding of collectors This improves the conductivity of the tank
Anti-condensation system This prevents condensation within collectors and avoids corrosion It also increases efficiency and the life of the heater

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