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Thanks John. I haven't ever observed water coming out of the expansion. Quite easy to change so will get this done later today. Googling suggests going with 450mm above the water line?

Hi JohnD, If you check my last picture above I measured the water level to the copper-coloured section of the vent pipe, this is the highest point of the vent pipe in the entire system. That is the highest section of vent pipe. It continues horizontally (out of image) for 10-20cm and then...

Cannot get a magnet to stick to any of the feed pipework.

DIY Project Photos

Punp: Grundfos UPS 15-50 Vent height: 20cm above FE tank water level.

Thanks again, I really appreciate your assistance. Sorry to sound a bit dopey, where shall I measure the vent from? The distance from the feed at the bottom of the tank to the expansion pipe fixed over the top? I'll sort a few pictures out and post them up very shortly. Will snap a few of...

I've just read up on the magnet test so going to try that shortly. Yes, I believe fully pumped as has a 3-way zone valve. Replaced around 2 years ago.

Thanks for the reply. I'll post the pump's spec, it's on the slowest setting. Would a couple of photos of the pipe work be beneficial? How high should the vent be?

Hi all, I have a Baxi back boiler with hot water cylinder in bedroom and F&E tank in attic. Quite a small system, 4 rads and 1 towel rad. The heating and hot water system are performing fine, no issues with cold spots and hot water is good. The issue is a very noisy system. I am...

Thanks jm2000. There is a cavity in my house. Will block the internal vents as certain losing a lot of heat out of them.

Hi all, I live in a 60/70's Concrete house, 2-bed end terrace. The GCH and HW is provided by a back-boiler in the lounge. There is an air vent in the lower corner of the lounge, I understand this is to provide air flow/draw past the boiler so fumes etc. are exhaust out the chimney...

I did some Sky work subbing to Firstline, they are dreadful payers and in the end I wrote off my losses. I have many details of theirs, let me know if you need anything.

Vodafone offer upto 7.2mbps!

What I usually do is take the hammer action off when I am almost through the wall. How you figure this out is up to you. With experience you can just tell when you are almost through, otherwise you could drill a smaller hole and then measure the length of the drill bit in a manner to establish...

Thanks, I will run one off of the socket ring or extend the ring main then. More work but worth it as you say. Such a simple and quick answer :)