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SuperStor® Solar Drain Back Tank
The SuperStor® Solar Drain Back Tank from HTP is designed to stabilize and protect solar thermal systems. A drain back tank allows all the water from solar collectors and related piping connections to drain into the tank reservoir, protecting the system from both freezing and overheating. The SuperStor Solar Drain Back Tank is available in two designs: the DBX series includes an internal heat exchanger for use with a storage tank, while the DB series has no internal heat exchanger and is intended for use with a tank that contains an internal or plate frame heat exchanger. Drain back tanks are ideal when designing solar thermal systems, especially in climates that exhibit very hot or cold temperatures. Drain back systems have fewer components than pressurized glycol systems, so maintenance is greatly reduced. Drain back systems also provide protection in cases where water quality may be a problem.
Features
- Appropriate for a variety of residential and commercial applications – available in three different sizes (ranging from 10 to 20 gallons) with or without an internal heat exchanger
- Virtually maintenance free operation – eliminates the need for costly scheduled maintenance services
- Quality construction – a highly efficient copper heat exchanger boasts excellent heat transfer properties, while the robust 304 stainless steel tank eliminates the need for anode rods
- Lightweight construction – aids in easy installation
- Effortless monitoring – sight glass makes it possible to visually monitor the tank’s water level
- Aesthetically pleasing – the durable plastic jacket will not rust or dent
- Limited five year warranty – backed by the manufacturer
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