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Sun Spot Solar is an authorized distributor of Laing and El Sid circulating pumps:
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Laing Pumps
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El Sid Pumps
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How the Pump Works:
The first DC spherical motor pump for direct connection to photovoltaic panels with automatic performance optimization using Maximum Power Point (MPP) tracking will vary its flow and power consumption based on the available solar energy. The D5 Solar can run off of as little as 1 watt and will increase in speed and performance as the solar panel output increases.
Sun Spot Solar offers model # D5 Solar/090B.
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manufactured by Ivan Labs
Ideal for closed loop solar systems, instant hot water circulation, radiant floor heating, and injection pumping.
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These bronze and stainless pumps require no seals and are operated by static impeller drivers having no moving parts.
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The D5 Solar pump can be used for most circulation pump applications without connection to the power grid. Highly efficient, the D5 Solar can be connected directly to a photovoltaic panel. It is characterized by its small size, high efficiency, extremely low power consumption and its over temperature safety shut off device. The shaftless spherical motor technology provides maintenance free and quiet service life. This pump is also perfect for single family home thermal solar systems or any circulation pump application where conventional power is not available.
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Drivers can be exchanged without removing the pump from the circuit. These remarkable little pumps can be powered directly from low wattage PV (photovoltaic) panels, 12 volt batteries, or AC/DC adapters.
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The Principle of the Spherical Motor:
Invented by Laing, it is fundamentally different from conventional canned motor pumps. The only moving part in a spherical motor is a hemispherical rotor/impeller unit which sits on an ultra-hard, wear-resistant ceramic ball. There are no conventional shaft bearings or seals. This eliminates bearing noise and seal leaks. This pump is robust and has an estimated service life in excess of 50,000 hours. The D5 Solar can be easily and safely installed by following detailed instructions from a Laing Installation Guide.
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Inlet and outlet connections are threaded 1/2" NPT male.
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Features:
- DC Spherical motor pump for direct connection to photovoltaic panels
- Automatic performance optimization using MPP (Maximum Power Point) Technology
- Start-up on less than 1 Watt
- Long pump life (50,000 hours +)
Click here to view a spec sheet pdf about pumps from
Laing Thermotech, Inc.
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Over thirty years of proven pumping experience !
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Sales - click on 
General Information - click on 
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Sales - click on
General Information - click on
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