the water pressure is too high on my valiant combi?

open a radiator bleed screw and let water out there and catch with towel. maybe a bit slow process but simple and won't effect anything else.

pressure would of had to be topped up after rad off then back on so either your filling loop has been left open or topped up too high or the loop is now passing even though it appears to be in the off position.

iain
May 2008