30 Tube Duda Solar Pool Collector Water Heating Hot Tub Energy Sun Heater Spa

Posted by admin - July 3rd, 2017

30 Tube Duda Solar Pool Collector Water Heating Hot Tub Energy Sun Heater Spa

For the solar tubes, we send approximately 30% extra tubes in case some tubes break. Any spare tubes which make it to you undamaged may be kept as spares. Duda Solar Pool Collectors. 58mm x 1800mm Vacuum Tubes. Solar water pool collectors are unpressurized solar collectors meant to heat the pool water directly. Cold water enters into the manifold from the pool, sinks to the bottom of the tube, and once heated a little bit, will rise back up to the top of the manifold and exit with the water flow. Pool collectors are the most efficient way to heat water because they come in direct contact with the heated surface in the tube and operate at low temperatures which will allow for minimal heat loss through the tubes and manifold, if any at all. These solar collectors have an inner manifold material of 316L stainless steel. 316L stainless steel holds up against chlorinated water better than other metals, and typically lasts for about 15 years under normal usage, depending on how much chlorine content is present. When the manifold begins to leak due to failure from corrosion, the manifold can be replaced with a new one and the system may continue to be used. Extra tubes that make it unbroken may be kept by the customer as spares free of charge. Because pool collectors fill directly with the working water, they are not winter resistant. They can survive some freezing temperatures, but should be taken apart or drained and covered during non-use seasons. Tubes which are left dry in the sun cannot be filled with water while they are hot or they will burst from the rapid cooling. We recommend using these collectors with a controller and pump. When a controller is present, the water can be circulated to collect the heat. This is the most efficient method. Alternatively, a timer setting can be used to run the pump when the sun is out. Or the pool pump which filters the water can have a small bypass which sends water through the collector prior to returning to the pool and heat will be collected whenever it is available. It only applies a limited time period in which defects due to manufacturing may be eligible for a claim. 58 x 1800mm Long Vacuum Tubes. Mounting gear with 37° Inclined stand for Flat Roof / Ground installation or Slope Roof Stand. Tube holders for connecting the bottom of the tubes to the bottom rack of the frame. Hex Bolts & Nuts / Hardware. Unpressurized Solar Water Pool Collector Specifications. Thickness of interior shell. 0.4mm (0.016). Outer shell material of manifold. Thickness of exterior shell. 1.8mm (0.07). Material of Windproof Seal. Duda Solar Collector Specifications. 31.50 Liters (8.3 Gallons). Duda Solar Collector Parameters. 0.0025 Mpa (4 psi). Black Powder Coated or Argentine. Duda Solar Vacuum Tube Parameters. Solar Vacuum Glass Tube Material. High Boron Silicon 3.3 Glass. Coating of Absorber Glass Tube. Three Target Cu/SS-ALN(H)/SS-ALN(L)/ALN. All glass double tube co-axial structure. Sediment Method, 3 target magnetron sputtering plating. As=0.930.96 (AM1.5). 3.3 x 10. Absorber Area per Tube. 0.040.06(80°C ± 5°C). =0.040.06 (80°C±5°C) (176°F±9°F). P<5.0 x 10. Up to 25mm (1). Average Heat Loss Coefficient. Duda Solar 30 Tube Pool Heater Calculations. Gallons of water heated by 1°F per day. The above heat calculation table is based on a latitude of 34.7° (Alabama), collector facing South at 37°, Average low ambient temperature of 65°F and average high of 95°F during the month of July. Anderson and Associates offer a good pool heat loss and gain calculator. Which may give a rough idea on how much heating could be needed for a pool during different months of the year. To use our collectors on their calculator, enter an area of 49 ft. Per collector used and efficiency of 60% (0.60). Alternatively, you can use their calculator to figure out "electric heating" costs to find out how many kw-hr/month you need. Simply enter into the form that you have electric heating. This will represent how many kw-hr you need per month to heat the pool. Using the heating chart above, you can figure out how many 30 tube solar collectors you need to do this. If our insolation is an average of 7 kw-hr/day, that means we need 806 kw-hr/7 = 3.86 (round up to 4) x 30 tube collectors to heat the pool to 80°F each day in the month of June. It should be noted that in order to keep a pool very warm during the colder months, it will take a significant amount of heating due to the mass amounts of heat loss. It is best to see solar pool heating as a supplemental means of heating a pool rather than an "all heat source" for a pool. Anderson & Associates calculator can be used to figure out the cost to heat a pool for certain months or year round using conventional means and then pool heaters can be used to remove some of those costs. Many people will find pool heaters to give tremendous amounts in savings (payback in 1-3 years of use) but may be turned off by the amount of solar energy needed to heat a pool entirely by solar in a cold month like January. The item "30 Tube Duda Solar Pool Collector Water Heating Hot Tub Energy Sun Heater Spa" is in sale since Monday, April 04, 2016. This item is in the category "Home & Garden\Home Improvement\Electrical & Solar\Alternative & Solar Energy\Solar Panels". The seller is "dudadiesel" and is located in Madison, Alabama. This item can be shipped worldwide.
  • Brand: Duda Energy
  • MPN: Duda Energy

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