Build your own solar batch water heater

Kit Price - $499.00 + $ 50.00 UPS Shipping (Continental US only)

The Passive Solar Water Heater is one of the simplest ways to heat hot water. Unlike active solar hot water systems such as closed or drainback systems, a passive system offers the simplicity of no moving parts or electrical connections. The only precaution taken is that in northern climates, the unit should be drained for winter months to prevent freezing damage.

The Solar Components Batch Water Heater Kit consists of a 30 gallon glass lined steel tank covered by our 1-1/2" thick Sun-Lite® solar collector cover panel. The kit is designed to pre-heat water going to your conventional water heater or in southern climates could supply all your hot water. This kit provides an excellent dollar per BTU ratio!

#14350 - Passive Water Heater Kit

Parts Included In Kit

1-1/2" thick x 34" x 44" Sun-lite® Glazing Panel

Solar Components 30 Gallon Steel Tank

1" x 3" Aluminum Angle Trim

6" Wide Aluminum Flashband

1-3/16" Flat Head Screws

1 Can Thermalox Spray, Black Selective Surface

Parts Not Included In Kit

Pressure & Temperature Relief Valve (purchased locally)

3/4" x 4" x 8' Exterior Plywood (purchased locally)

1" Thick x 4' x 8' Foil Faced Insulation Board (purchased locally)

2" x 4" x 8' Lumber (purchased locally)

30 Gallon Passive Water Heater Tank

#11450 - Passive Water Heater Tank and Anode Rod - $349.95 - Free UPS shipping (Continental US only)

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Thurmalox Selective Surface Coating

Thermalox Solar Collector Coating is a Silicone based heat-resistant selective paint designed for use on metal surfaces of solar collector panels - will withstand up to 1000° F. Thurmalox will function with maximum efficiency (absorptivity .96, emissivity .52) when applied 0.5 mils thick. Coverage 25 sq. ft. the coating resists out-gassing (a major cause of internal fogging of collector covers) up to 400° F. Made with heat stable pigments, the coating will withstand repeated thermal cyclings and temperatures as high as 1000° F. Thermalox is unaffected by humidity, and will not peel or discolor. 13 oz. aerosol can. primer not necessary for copper or aluminum.

#06070 - Thermalox Selective Surface Spray - $18.95
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BUILD YOUR OWN SOLAR BATCH WATER HEATER