THE SOLARAIDE MODEL RS80-42BP PASSIVE SOLAR SYSTEM features 80 gal. of storage and incorporates two solar collectors to meet the annual hot water requirements of a two- or three-bathroom home. The unit measures 97.5" long by 91" wide and is tested for durability and performance by the Solar Rating and Efficiency Corporation. As a passive system, it does not rely on pumps or controllers, but instead on the natural process of convection to circulate the heat transfer fluid. The fluid, a propylene glycol solution circulates through 35 multi-flow risers in the solar collector to absorb thermal energy.
Rheem
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THIS 30-TUBE SOLAR COLLECTOR PANEL can deliver up to 39,000 Btuh per panel per day, depending on available sunlight. The panel is engineered to maximum efficiency even at high Delta T, making it ideal for use in colder regions, or for applications demanding higher outlet temperatures.
Heat Transfer
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THE PROFILE SMART HET incorporates a sink into the lid of the toilet for increased water savings. It is dual flush, using 1.28-gpf for a full flush, 0.8-gpf for the half flush. It features washdown technology to push waste from the bowl and a large trapway to prevent blockages.
Caroma
CIRCLE 103 ON INQUIRY CARD
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THE GREENWOOD WOOD BOILER is a wood-fired hydronic heater that operates at high efficiency (up to 85%) while producing extremely low levels of smoke, creosote and ash. Three different models are available with capacities of 100,000, 200,000 and 300,000 Btuh. The firebox is made of super-duty ceramic refractory material, cast 4-in. to 6-in. thick and surrounded by layers of insulation.
Greenwood
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THIS SOLAR CLOSED-LOOP SYSTEM includes flat plate collector panels and mounting hardware, a storage tank with heat exchanger, a pump station with expansion tank and various pressure and temperature gauges, pressure relief and check valves.
Stiebel Eltron
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THE FREEWATT HEATING SYSTEM uses micro-combined heat and power technology to marry an Energy Star rated gas furnace to a Honda generator. The electricity generated can be used to power the home, or can be sold back to the grid. Operating on natural gas or propane, the system utilizes about 95% of the fuel energy to supply heat and electricity for the home.
ECR
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THIS NEW ENERGY CALCULATOR is a simple, hand-held tool that allows the user to measure and compare the efficiency of various boiler options. Contractors simply input the heat loss of a structure and approximate local energy costs into the slide rule device for an immediate reading. An oil version and a gas version are available, both with easy-to-read instructions.
Peerless Boilers
CIRCLE 107 ON INQUIRY CARD
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THE T-K3 PRO TANKLESS WATER HEATER is a newly-designed light-commercial version of the company's T-K3 water heater. The heat exchanger is made from HRS35 copper alloy and is eight times stronger and harder than the standard copper used in most tankless units. It offers a thermal rating of 86% for natural gas, starts heating water at 0.5 GPM and can generate an unlimited supply of hot water at a maximum flow rate of 7.0 GPM. For large applications, up to four of the units can be connected in series without the need for a system controller.
Takagi
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THERMALOX 250 SOLAR COLLECTOR COATING is formulated to selectively absorb greater than 90% of the sun's visible and infrared wavelengths, which contain the most heat energy. Designed for use with flat-panel collectors, the coating is easy to apply, dries for handling in 30 minutes, will not peel or flake and withstands repeated thermal cycling. It is offered in 13 oz. spray cans, as well as gallons and drums for application by spray gun or brush.
Dampney Co.
CIRCLE 109 ON INQUIRY CARD
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THIS HOSE BIBB LOCK is designed to protect any standard ¾" outdoor faucet or hose spigot. As drought conditions have plagued dozens of states, water theft has become considerably more common. The lock is made up of a brass fitting assembly and a plated brass cover, which may then be locked with any commercial padlock.
Conserv Co.
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