Priority Domestic Hot Water (PDHW)

Pririty Domestic hot water setup is a technique where the hot water is given priority to heat up at a high flow temperature from the boiler so it is heated up rapidly in order to return to space heating quickly. The space heating is carried out at a lower fixed or variable temperature in order to gain efficiency and optimum comfort levels either via room thermostat, room sensor or weather compensation.

Information is guidance only; repairs require qualified professionals. Affiliate links may earn us commissions at no extra cost. Do your own due diligence; we accept no liability.