Dynamic TRV or Pressure Independent Valves (PIV) radiator valves are equipped with a flow limiting device that allows for presetting

What does the programmer do? The programmer tells the boiler when to be turned on or off. You can set it to activate the boiler during...

Are your radiators giving off a bad smell of eggs or similar when you bleed them of air? (the removal of air via the air vent) Then this...