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Our Potterton Promax Combi has started to become very noisy when drawing hot water for a bath. When any other tap is used you can't hear any noise of water going through the pipes, but when drawing hot water for a bath there's a high pitched whooshing sound. Almost like you sometimes get from a...

Any ideas about what may be causing this: Shower type: Bristan Aristan thermostatic bar. Boiler type: Potterton Promax Combi Both less than 18 months old. Ongoing intermittant fault since Christmas (has occurred 4x) Seems to happen on particularly cold mornings Thermostatic shower...

I have a strange problem with our Halstead Ace High combi in that every now and then the CH switches itself on. Even if the dial is set to just DHW hot water is being continually being sent to the rad.s which get very hot. While this is happening the hot water LED (but not the CH LED) on the...

I've just been checking my roof for storm damage. There's an area where the chimney from our gas fire comes out of the roof that is pretty difficult to see, so in the past 4 years that we've lived here I've never even looked at it. Anyway I thought I could see some flashing lifted up and...

We live in a 'new build' which is about four years old. Have noticed that a lot of the mortar along the bottom of the ridge tiles is starting to fall out. The bits that I pick up in the garden are pretty solid, but along the west facing ridge there are gaps nearly all the way along where it has...

I've had problems with the pressure dropping in my system when the CH is running. Pressure remains constant with no heating on. Set it to about 1.5. After heating has been on, and cooled down again pressure has often dropped below one. Halstead suggested either that the pressure vessel may need...