Solar Circulating Pumps
Solar circulating pumps are an energy efficient, environmentally friendly way to pump water for a variety of domestic and commercial purposes, including household solar water heating applications and heating for swimming pools. Solar pumps are easy to install and require virtually no maintenance, and they have a lifespan of roughly 20 years, so after the initial set up costs their service is free.
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Solar Circulating Pumps
In hydronic systems – that use water to transfer heat – most circulator pumps are centrifugal, which means that they the rotation of the axes is transformed into power. In solar circulating systems, the original source of power to turn the axis of a centrifugal pump comes from the sun.
Generally, the material used to manufacture circulating pumps depends on the system; closed loops that don’t receive fresh water regularly are made of cast iron components to protect the pipes from corrosion caused by deoxygenated water. Bronze is typically used to make the pipes in circulating pump systems that receive a fresh supply of oxygenated, potable water.
Solar circulating pumps ensure that residential and commercial water heating systems always have a ready supply of hot water, there is no waiting for hot water to reach the faucet as it circulates continuously around the pipes. This saves energy in that you don’t have to leave the tap running as you wait, it also saves water. However, the fact that the pipes are constantly hot results in energy loss, while the pump itself consumes energy.
As suppliers and distributors of high quality circulating pumps, Sustainable also offers solutions to these latent energy wasters. For instance, manual or automatic thermostats can be used to regulate the temperature on your circulating pump, and also to set operation times – a few hours before you get up in the mornings and before you come from work. We also supply piping insulation from the most reputable manufacturers to lock in heat and prevent energy wastage from all solar circulating pumps and water heating systems.
Contact Sustainable.co.za for a range of energy efficient submersible and centrifugal solar circulating pumps to provide all your household’s hot water needs.
