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How
to make a solar
water heater
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 See larger image Read PDF guide for making batch solar water heater |
Passive
solar heater using old water heater Many ways to do this. One example: a bare tank is placed in plywood box that faces sun > buy old 40 gallon electric tank from plumber and remove outer shell > remove sediment, flush tank with two pints diluted hydrogen peroxide, replace anode rod Tank and plywood are painted black to absorb heat; piece of clear glass is placed over box; box is insulated put drain hole in bottom of box to release condensation > 40 gallon tank + water + plywood weighs 460 lbs >> put expansion tank on incoming cold water line > > temps are too high for plastic pipe > electrically ground tank and copper pipes using #6 copper wire > insulate pipes > design project so cleaning and maintenance are easy. End of sunny day, you have 40 gallons hot water > or more if you put 2-40's in series >>> hot water cools quickly but lasts until early evening > put insulation over glass when sun goes down > 115V element put on switch can keep water warmer longer and prevent freezing in winter > shower uses 5-9 gallons of hot water > bath uses 12-15 gallons hot > once you start using hot water, cold water enters tank so take all baths-showers in succession > for morning hot water, put 115V 2.5 gallon or 6 gallon under sink > connect under-sink heater to light switch or timer > reducing consumption and planning are key. Resource: Anodes and flush heater with peroxide |
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Convert
water heater to DC photovoltaic Resources: Convert water heater to high voltage DC photovoltaic Convert water heater to low voltage DC photovoltaic |
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Expansion tank High heat solar require expansion tank on incoming cold water line Expansion tanks at Amazon Resources Expansion Tank Installation pdf Things to avoid with batch heater How to install under-sink electric water heater |
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2 gallons water in the sun Set 2 gallons water in the sun inside glass-covered box, and have hot water at dinnertime. |
 Solar collector made from plastic bottles |
Do it yourself ideas at Build-it-solar Resource: Long list of do-it-yourself solar projects |
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Simple ways to save money with tank heater There are many ways to save with a water heater without buying expensive heater. Reducing consumption is best way. Maintain water heater is another. Resources: Read 9-ways to save with water heater How to maintain water heater How to install under-sink electric water heater |
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Should you buy commercial solar water heater system?
NO Resource: See reasons why you should not buy expensive solar installation |
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Solar heat is common
across globe Solar heaters in Middle East use collection panels Buildings in background have solar electric panels on roof Maybe somebody should clean those solar collectors |
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Buy Electronic parts Industrial supplies Tools and home improvement Home and garden Hayward pool Pentair pool Southwire electric |
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Buy
Tools DEWALT Black and Decker Stanley SKIL Makita Porter-Cable Bosch Irwin Hand tools Klein hand tools Fluke electrical testing Dremel hobby tools Campbell Hausfeld air powered Tekton automotive Powerbuilt automotive Saws and saw blades |
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Resource: Compare box timers DPDT timers Intermatic Control water heater w/ Z-wave |
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Resource: Intermatic control centers: and parts Digital control centers and parts Tork control centers and parts Subpanels All control centers and parts Enclosures |
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Resource: Programmable timers Countdown timers Off delay timers On delay timers Timer modules Din rail Twin & one-shot Woods Intermatic Tork |
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Recirculation systems |
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