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News — pool

What's a Drain Back System?

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What's a Drain Back System?

You've purchased your solar water heater, and winter is coming. How do you make sure leftover/standing water doesn't freeze inside the system? This is where a drain back system comes in. Drainback systems are closed-loop, indirect, active systems. A heat-transfer fluid (HTF, usually water) contained in an unpressurized, closed loop is pumped through the collectors and is separate from the end-use water being heated through a heat exchanger. When the pump is off, the HTF drains out of the properly sloped collectors and pipe, leaving them empty and protected from freezing.  While this article will primarily focus on residential domestic...

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Can our Solar Water Heater Heat Your Pool?

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Can our Solar Water Heater Heat Your Pool?

We have heard this question often from our customers: "Can your solar water heater heat my pool?" The short answer is yes it can, and there are a few things you should think of before purchasing:  How many gallons does the solar hot water heater need to heat? How hot must the water get?  How quickly must the water heat? One solar water heater kit heats 5 gallons of water from 68 F to 122 F in four hours whilst in direct sunlight. Most often, people are interested in heating tubs that are 500 gallons (average size of a hot...

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