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SunEarth DrainPack Hot Water Station, 120 Gallon, Drainback
The Drainpack Hot Water Station (HWS) was specifically designed and engineered with the professional installer in mind. The HWS is factory assembled using top tier components and is tested for hydraulic integrity to ensure a smooth installation. The Drainpack HWS pairs perfectly with SunEarth’s high performing Cascade drainback system and includes all necessary components while eliminating dozens of intermediate connections.
SunEarth DrainPack Hot Water Station is a pre-built tank assembly for simplified installation of a drainback type solar hot water heating system. All items are pre-mounted and plumbed to a SunEarth 120HE solar storage tank. Includes storage tank with dual wall heat exchanger, 7.2 gallon copper drainback tank, circulator pump, digital controller, domestic water expansion tank, domestic outlet mixing valve, bypass valves, and plumbed relief valve drains.
ICC-SRCC System Ratings (OG-300)
The Solar Rating & Certification Corporation OG-300 systems level rating is an independent assessment of both system reliability and performance. Systems that receive this rating must meet HUD minimum property standards in addition to a rigorous review performed by ICC-SRCC staff and design review team. Once the system has passed these quality assurance checks it undergoes a full performance analysis to estimate the actual solar contribution of the system towards an average hot water load. This contribution, as defined by the Solar Energy Factor is listed alongside the different variants of each system type. The Cascade 2 is SunEarth’s OG-300 certified drainback system. Drainback systems may or may not use a propylene glycol and water mixture as the heat transfer fluid. A drainback system’s primary freeze protection mechanism, however, is gravity itself. The heat exchange fluid in the collector array and solar loop piping drains back by gravity into the system’s storage reservoir whenever the pump stops circulating. This happens during the average solar day whenever the temperature difference between the hottest (collector) and coldest (bottom of the solar tank) points in the system is only a few degrees. Air replaces the heat exchange fluid in the collector array and solar loop piping when the pump is off. No fluid is left exposed in the collector or piping to freeze.
This Product does not include Tax and shipping costs. International shipping is subject to regulations and Import Taxation of Country of destination.
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Solar Systems in United States & Latin America