Recent content by Dawei

I will flag this out when another plumber come to have a look... it is really wired, especially the rate of pressure loss... so quick...

I don't know... moved in at the end of last winter, and used it for about 20 days earlier this year, it was fine at that time...

Worcester Greenstar 28i Junior...

I think by "discharge pipe", you mean the pipe out of the property where the boiler will discharge the water when the pressure is too high? If that's what you mean, I did check that and it is very dry. I did also lift up the carpet where the pipe is likely to pass under the ground, and find they...

by the way, when I re-pressurized the boiler, after a few seconds, when the pressure goes to about 1-2 bar, the whole system works fine... just after about 10 minutes, the pressure drops to zero.

I just turned on the heater after last winter. Before I turned it on, the hot water is fine. But after I turned it on, the pressure drops quickly to zero (in a few minutes). With the boiler on, when I bleed the radiator yesterday, there is air comes out, and then I wait until the water come out...