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Agreed - cheers for all responses, I'm going to get someone in to remove it and plug permanently

So, there is a new diversion route on the new system with its own new pressure valve... If this old one is now blowing could it mean: 1. The old one has had it and needs replacing 2. The new one is actually set to high and not bypassing early enough when the heating shuts down What...

Yup - Kingfisher was in residence until 4 months ago... and the old pipework left behind to avoid pulling the house apart to upgrade the boiler. In a good spot for 'no hazzard' ... just drips into some MDF boxing, swells it up and makes a bl****dy mess :) .. so no hazard as such - just a...

Great ! - thanks for the quick responses. Makes sense, the new system is pumped now, S plan, with a new bypass & still open vented system. Presumably theres slightly more pressure running around the system now and this valve is seeing more pressure than it used too. Should it adjust...

Hi, This valve is sitting on the old gravity feed heating circuit; now fully pumped, and its weeping approx 1 drip / second when the pump is running. http://www.diynot.com/network/RichardLKent/albums/7452/29364 Can you help me identify what it is? It almost looks like some type of...