How to mend ... Water Pressure Drain

Potterton Performa 30HE?

How much water would I need to drain off to release the pressure from the boiler ? Also do I use just 1 radiat... [Read more]

Worcester combi greenstar intermittently not starting up/EA error code?

We have a 3yr old Worcester Greenstar combi boiler that is playing up. It has been intermittently not firing ... [Read more]

Water Pressure & On/Off/Reset Selector Switch !?

My boiler is the Potterton Performa 24 Eco HE. I have two problems or maybe just one as I think they are conne... [Read more]

Alpha cb 24 boiler drain question?

Hi, Can one of you peeps please confirm if its !Ok! to 'Drain Boiler' Via (Primary Pressure switch) whilst re... [Read more]

worcester 24i won't hold pressure?

My Worcester 24i boiler won't maintain the water system pressure. I have tried to refill but on each occasion ... [Read more]

Low pressure on a Saunier Duval Themaclassic F24E?

Hi, The pressure on my Saunier Duval Themaclassic F24e will not increase to above 1 bar without water comin... [Read more]

draining water out of the system pressure guage?

mended my worcester greenstar 241i boiler yesterday with your help - thanks again but today I have noticed the... [Read more]

how to mend ravenheat CSI 85T boiler?

I have a ravenheat CSI 85T Combi boiler which Ive had for seven years. I always had problems with it from day ... [Read more]

Vaillant TURBOmax VUW 242e loses pressure?

My Vaillant TURBOmax VUW 242e loses pressure gradually through out the day when the system is filled up with t... [Read more]

Problems with boiler shutting off after Radiators are used?

Hot water is fine and when we turn on the rads they srtrike up and stay hot, as you'd excpect. However, once t... [Read more]

Baxi 80eco increasing pressure?

I have a Baxi 80eco, the pressure keeps increasing even with the filling loop disconnected and no heating or h... [Read more]

Betacom 24c boiler pressure too high?

Boiler pressure is indicating 3 Bar. I have taken out about 2+ gallons of water from a drain valve on the near... [Read more]

Airlock in Potterton neataheat 10-16?

I recently drained the whole system and the boiler only comes on for about a minute, overheat and cuts out. I ... [Read more]

boiler low pressure ?

My question is regarding two issues one of which is already a history but may help define the problem. Couple ... [Read more]

Cant re-pressurise my saunier duval isofast condens f35e?

The pressure in my system has dropped to 0.5 bar so I have an error message 21 and no hot water or heating. ... [Read more]

Vaillant ecoTEC plus 837 pressure keeps dropping?

My boiler pressure keeps dropping to 0.4bar after a couple of hours even after refilling system to 1.5bar. T... [Read more]

How To Replace Pressure Relief Valve on Combi Boiler?

Dear Site, We have a Baxi Combi 105e, which appears to have a weak PRV, in so much that it is losing pressu... [Read more]

EXPANSION VESSEL - RE-PRESSUREIZE HOW?

I need to re-pressurize my expansion vessel ... do I drain the heating circuit then pump up the vessel to ... [Read more]

We have a Worcester 350 Combi and is shutting down after 2-3 hours. ?

We have a Worcester 350 Combi and is shutting down after 2-3 hours with the pressure dial showing a drop to be... [Read more]

Worcester 240 slow pressure rise?

Hi..I have recently replaced two major parts in my Worcester 240: "Diverter Valve".... during the summer 2009... [Read more]