How to mend ... Greenstar Hot Cold

Expansion tank hot?

Greenstar Ri boiler open vented system. When boiler switched on constant flow of hot water to expansion tank... [Read more]

How can my Worcester condensing combi boiler be fixed?

We have a Worcester Greenstar condensing combi boiler and after 6 trouble free years, water keeps going cold. ... [Read more]

Worcester Greenstar 24iJunior Combi boiler?

Have a Worcester Greenstar 24i Junior Combi boiler recently fitted. We had a problem where the pressure kept o... [Read more]

hot water not going to the shower?

Hi my hot water will not go through to my shower it gets hot then goes cold again the little clock which on ... [Read more]

Worcester Greenstar- no hot water?

Hi, i was just wondering if anyone could help... For the last few weeks my 4 year old Worcester greenstar 2... [Read more]

Hot Water Cut Out?

I have a Worcester greenstar 25/30si when i run the hot water it all works fine, then after about 5 mins the f... [Read more]

Greenstar 24i or 28i no hot water?

We have no hot water. Our condensation pipe was blocked with ice 2 days ago - no error light flashing, just b... [Read more]

Burner will not ignite on our Worcester Greenstar 12Ri Boiler ?

Our boiler has been perfect, I re-programmed the timer to come on for less time whilst we went away on holiday... [Read more]

How can I fix my Greenstar CDi condensing combi boiler?

...after nearly 4 years of fault free operation from new, this morning I had no hot water & a "EA" message dis... [Read more]

how to fix my water pressure?

I have just removed three radiators from my bedrooms upstairs and I have just noticed that I now have zero pre... [Read more]

Worcester Bosch boiler - flashing blue light?

I have a WB 15Ri RSF Greenstar condensing boiler (3 years old next week) and have had a couple of problems. T... [Read more]

Greenstar si combi - Hot then cold?

Hi, my worcester bosch is playing up; the c/h works just fine, but just recently the hot water from the taps r... [Read more]

Worcester greenstar junior 24i cutting out?

Hello i really hope someone can help. I have a Worcester greenstar junior 24i boiler, and even though the hea... [Read more]

odd water noise from my boiler?

i have a worcester Greenstar 15Ri condensing boiler.its been installed for about a year and has been fine up t... [Read more]

My water and heating system is noisy?

I have very noisy pipes and the pressure on my combi boiler is 0. I have a Worchester greenstar 25si/30si... [Read more]

worcester greenstar 30CDi - water won't heat up. ?

when we run the hot water the boiler kicks in but the water stays cold? any ideas?

Worcester Greenstar highflow 440 reset?

I am having trouble getting my boiler to produce central heating and hot water on a constant basis. It looks l... [Read more]

no hot water but central heating ok?

Moved into house and central heating works ok, turn on the hot water tap and water runs ok but cold. The boile... [Read more]

can i isolate the hotwater circuit from my combi boiler?

I have a leak in my hotwater circuit and cannot get a plumber, holidays etc, I have solved the problem by turn... [Read more]

loss of pressure & cold radiators at the bottom?

We have a Worcester Greenstar R40HE combi boiler. The pressure is dropping on an almost daily basis though we... [Read more]