How to mend ... Boiler Water Hot Pressure

potterton combi 80 boiler lockout on?

I have mislaid service manual, aand my engineer can't find the answer to why the boiler continually goes to re... [Read more]

My Alpha combi boiler has very low water pressure at the DHW hot tap?

My Alpha Ocean 280p Combi Boiler has a very low DHW pressure and flow. I have checked the cold water inlet fil... [Read more]

Chaffoteaux et maury Britony combi 80 C12 type?

The water pressure on my boiler has gone, when I turn the hot tap on the bolier surges up but I get no hot wat... [Read more]

MY VALIANT SCREEN SHOWS f1. WHAT DOES THIS MEAN/?

I have no hot water at the moment and the pressure shows as 2. There is a screen which shows F1. I have lost... [Read more]

Sime format pressure goes up and down?

Hi all, My pressure guage shows up to 3.5 bar and stays that way for a long time and then just goes down some... [Read more]

Euro combi - Red light keeps coming on and cutting off boiler?

I have a Euro combi boiler and the red light keeps coming on and cutting off when in central heating mode and ... [Read more]

What is wrong with my Potterton Puma 80?

Potterton Puma 80 Have recently had new pressure relief valve fitted, but pressure still fluctuates wildly, w... [Read more]

baxi bahama 100 will not ignite?

I have had the flow valve replaced in the boiler, this being the one that fills the boiler itself. for some re... [Read more]

How can I turn on my Isar HE30 Bolier?

My (Ideal) Isar HE30 boiler has turned off. The water pressure gage is below 1 and their is no hot water or he... [Read more]

Problems with my Valiant combi boiler?

Hot water is intermittent on my valiant combi boiler for a while now. However I could not get the heating or ... [Read more]

I have no hot water or heating from my vaillant combination boiler?

I have tried increasing the pressure but it falls back down after a few minutes - what should i do?

Ferroli Falcon cycling on and off with heating and hot water?

Hi, My boiler has been cycling on and off for a while now on both the heating and hot water. I have changed th... [Read more]

Central Heating won't heat radiaters but do have hot tap water?

I have an Optima 700 boiler/central heating system. When I turn up the room thermostat it clicks but the boile... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

what wrong with combi boiler?

I have breath all cenral heating in my house so heating can be flow fully inside the rediator, after that the ... [Read more]

How can I Fix My Ravenheat 820/20 boiler?

My ravenheat 820/20 boiler is supplying hot water but no CH. After a basic fault finding mission I discovered ... [Read more]

how can i fix repeated low pressure of my puma 80 boiler?

I noticed a few weeks ago when i woke up that the boiler was shining 'low system pressure' so i topped it up a... [Read more]

Ferroli Optima 901 -Intermittent Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing intermittent problems with no ... [Read more]

Why is my low pressure light on and what do i do?

I've got a Potterton Puma 80e boiler that wn't fire up since the low pressure light has come on. I've checked ... [Read more]

What can cause my combi system to lose pressure?

I recently had my combi system flushed and for a week it held pressure, and was, as in the past, quiet. Howev... [Read more]