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Butler Sun Solutions Solar Butler 1.0 Hot Water System

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Butler Sun Solutions Solar Butler 1.0 Hot Water System
Description:

Glazed, serpentine, low fluid-flow, flat plate solar collector, with passive liquid-to-air radiator for stagnation protection and double walled, in-your-tank heat exchanger. The heat transfer system utilizes a pressurized, 16 PSIG, low volume antifreeze filled fluid loop, similar to automobile cooling systems. The heat transfer fluid is ASTM D5216, Propylene Glycol, commonly used in automobile radiators. Heat exchange from the collector-heated fluid to the existing hot water tank is accomplished using the screw-in solar Wand. The solar Wand is a double-walled, allcopper, in-tank heat exchanger of the American Water Works Association (AWWA) Class DWP (double wall with leak protection). The heat transfer fluid is channeled from the solar collector to the Wand heat exchanger via thin-walled, small diameter (3/8”) copper tubing. The copper tubing is run side-byside and insulated with closed cell rubber foam insulation to form a collector-to-hot-water-tank umbilical. Sensor wiring is attached to the outside of the Rubitex R insulation to allow collector temperature sensors to be connected to the controller. The circulation pump is a seal-less, low-flow, low-power, quiet centrifugal pump. The system controller uses temperature sensors on the collector and at the bottom of the hot water tank to determine when to turn on the circulation pump in the fluid loop to heat the hot water tank. If the hot water tank gets too hot, the controller turns off the circulation pump. This is a simple system using only 35 pounds of copper. Potable water sees only copper, tin-based (“lead-free”) solder, and silver solder on the solar wand. The following materials contain the antifreeze heat transfer fluid: copper tubing, stainless steel in the pump, and brass fittings, making this a long-life, low-maintenance system. These systems are Performance Certified when installed to SRCC OG300 Specifications and tank sizes. When properly installed and maintained, these systems meet the minimum standards established by SRCC. The SRCC certification does not imply endorsement or Warranty of this product by SRCC. Available in various sizes and configurations (gas/electric auxiliary tank, type of solar collector, number of solar collectors, etc). The unit's efficiency will vary based on the configuration. The specifications below are for a 40 gallon model with an electric auxiliary tank.

Details:
DetailValue
Additional FeaturesAvailable with gas or electric auxiliary tank, various collectors
Volume Capacity80 gallons
Power SourceSolar
Freeze Tolerance-54 degrees F
Collector Panel TypeGlazed flat-plate collector
Total Solar Panel Area24.6 sq-ft.
Solar Energy Factor1.3
Release Date
Size
Models:
Model Name/TypeMPNEAN/UPC
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