TURN UP THE VOLUME WITH DUALSTREAM
Domestic hot water supply is one of the key considerations when designing a heating system, which is why GAH Heating have come up with the new Dualstream water control system. Dualstream effectively boosts hot and cold water flow rates, even in properties with more than one bathroom, or where incoming mains pressure is low. Consisting of a hot and cold water pressure balancing unit incorporating a high performance unvented hot water cylinder, Dualstream enhances the incoming mains supply to provide balanced water supplies to all hot and cold outlets – even when run simultaneously.

At the heart of the Dualstream system is an accumulator vessel which stores mains water at incoming pressure. This stored water becomes the engine that drives the hot/cold outlets, providing the volume of water that a normal unvented system would not be able to deliver, especially in properties suffering from poor flow rates as low as 9 l/min. As water is drawn off, the accumulator vessel is charged by the incoming mains, enhancing the volume feeding both the cylinder and cold supplies to the rest of the house, giving a truly outstanding performance.

Dualstream can be used with either an existing or new heating system, offering all the advantages associated with an unvented system. With no feed and expansion tanks necessary there is no risk of water stagnation and legionella, and no risk of frost damage to pipework. There’s also no cistern filling noise, and no need for noisy pumps on power showers either as the hot water pressure from the Dualstream system means you can have real power shower performance without the pump.

With Dualstream, there is no longer any need to put up with a drop in shower performance every time the dishwasher is turned on. Sized correctly, the system will allow any number of baths or showers to be run at the same time. Accumulator sizes range from 60 up to 450 litres, with direct and indirect cylinders up to 500 litres available. This means that the system is just as suitable for small flats as for larger properties, and two or more models can be installed in parallel for greater volume demand.

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