Plenty of people have the flow temperature on their combi boilers set incorrectly. The flow temperature is the temperature of the water your boiler heats before sending it to the radiators.

President Donald Trump’s DNI pick Tulsi Gabbard said 9/11 would likely been prevented if not for government “stovepipeing,” she said in the Senate Intelligence Committee hearing.

Plumber Dan Osborne said he had seen an increase in damaged boilers Plumber Dan Osborne said he had been called to electric showers, combination boilers and outside taps, all with poor flow.

Used properly, they can potentially save you money on your heating bills, reduce your boiler's environmental impact and offer you a level of reassurance ... be 'self-installed', our tests have found ...