Bathtek showers requires between 1 and 3 bar of pressure at the unit to operate. For optimum results 2-3 bar is recommended. Please note that Bathtek Steam Cabins require a flow rate of at least 7.5 litres per minute. The water supply to the unit must also be balanced. If you have a combi boiler, this typically provides water at a pressure suitable for the shower, but if you are unsure, ask you plumber to check the pressure for you. If you have a Combination (combi) boilder, you WILL need a PEV. If you have gravity fed water, or you water pressure is not high eough, then fitting a Pump wiill help. Bathtek recommend Salamander Twin impellor pumps (see wwebsite for details). These are dtin impellor, which means they provide both Hot and COld water though them. Fitting a twin impellor pump does not require a PEV to be used as the water is balanced. Pumps are best installed as close to the water boiler and shower as possible to achive the best possible pressures.
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