How to mend ... Boiler High Flow

valiant boiler pressue low and overflow won't stop?

I've got a valiant combi boiler and I usually top the pressure up every now and again as sometimes it's very l... [Read more]

worcester boiler?

Why is my 6 month old worcester high flow combi oil boiler started to chuck out black smoke from the flue?

Do you know anything about the Myson Midas Si combi boiler?

I have a Myson Si combi boiler and have a problem with the burner not going into high burn. Changed PCB board... [Read more]

I have no control over the hot water temperture from my high flow 400 boile?

Worcester Bosch changed the heat exchanger in my high flow 400 boiler and did some upgrades since then I have ... [Read more]

filling water in a boiler?

I have an old worcester high flow boiler and the pressur is low we have the water tap but do not know where th... [Read more]

ravenheat csi 85?

hi I need help with my boiler. When i run the hot water the boiler lights normal but the high flame on the b... [Read more]

Halstead High Ace - DHW not turning off?

After turning off the DHW tap, my Ace High boiler stays in Hot Water mode - this also heats up the radiators. ... [Read more]

How can I stop my Ravenheat CSI 85B tripping out?

I had a new Ravenheat CSI 85 B T installed today. It worked for the plumbers who installed it - they left and ... [Read more]

how to get the heating on my worcestor high flow 3.5?

The pressure went down on my boiler. Filled the pressure up and now the heating wont come on. The water is o... [Read more]

Flood due to boiler ???

A few weeks ago we noticed warm/hot water pouring out of the eaves of our house, upon inspection we found that... [Read more]

Halstead Ace High intermitant hot water?

I have an Aces high Halstead Boiler it is now six years old it has had a new heat exchanger plus the old desca... [Read more]

Buderus G115WS3 w/RIELLO F40-3 ... can't lower CO2?

I just installed a G115WS3 with a Riello F40 burner. When I first commissioned the boiler the Riello would not... [Read more]

Potterton Promax 15HE Boiler -relay clicking problem?

Hi, Need some help please. A 6yr old Potterton Promax 15HE on an unvented boiler installation has suddenly st... [Read more]

How can i fix my 38cxi ultracom?

Has any one had problems with their cxi ultracom hot water not staying hot when trying to run bath or shower h... [Read more]

Would you please send me the booklet for timer Seimens RCR10/433 or tell me?

Would you please send me the instruction booklet for the Seimens RCR10/433 Timer clock which was missing from ... [Read more]

How do I adjust the timer?

I have moved into a rented house with a Worcester High Flow 400 Electronic boiler. The heating is set to come ... [Read more]

Halstead High Ace Boiler HW & CH Problem?

Hi, I am at my wits end and need help as winter set in with 3 children. My boiler has played up for many yea... [Read more]

Halstead ace high burner problem?

I have a Halstead ace high combi boiler. I have replaced the diaphrams in the flow switch CH & DHW and removed... [Read more]

pressure on boiler to high Baxi 30 HE?

Hi did not shut the pressure loop properly so pressure is on 3 plus. Got rid of the air bubbles using a hos... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]