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    Gunk still in rad pipes around pump after cleaning with Sentinel X400

    Evening all, I've recently cleaned my F&E, microbore central heating system using Sentinel X400 and this led to the cold rads heating up again, so a success in that respect. Now, after a week of the X400 circulating, today I cleaned the F&E tank again (much cleaner water), drained down the...
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    Confused and slightly worried about "Heat-only" boiler set up

    Hello all, My new house has a Baxi EcoBlue Heat Only boiler (pictured), complete with a hot water cylinder, an F&E tank and two cold water tanks in the loft. I've run into problems with cold radiators recently and managed to sort it by running Sentinel X400 through the system. Having had to...
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    Replacement pump for Grundfos Selectric 4

    Hello all, I may have to get my central heating pump changed as it is making an almighty rattle all the time* but I am not sure which one to get. The pump I have currently got is labelled 'Grundfos Selectric 4', Type 4 -50/130 (please see pictures attached) and has 4 speed settings. Is there an...
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    Help with offset bends required on 68mm round guttering

    Hello all, Hopefully this will be a simple one! I'm trying to fix this 68mm round guttering (see pic) but i'm a complete novice and rubbish with angles. Currently the downpipe is just loosely pushed into the gutter fitting above and resting on the stone below. I'm presuming it should be fixed...
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    How to cover gas pipe in concrete floor

    Hello all, My brother has just had a new boiler fitted and the gas engineer routed a new copper pipe directly from the meter to the new boiler. The old copper pipe that fed the previous boiler came from under the concrete floor, where it tees off to feed the gas supply for the cooker. Although...
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    Buying a new valve body to replace British Gas BGMVSP-2 two port valve

    Hello, I have a British Gas BGMVSP-2 two port valve (pictured) and although the actuator is working, there is a slight leak coming from the body. The leak is not from the compression nuts. Am I right in thinking that I can unclip the actuator and simply fit a new valve body like the one in the...
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    British Gas RS1 Room Thermostat not working

    Hi all, My friend has recently bought a house with a load of problems with the central heating but before I go into all of them, I was hoping one of you could help me with a relatively simple problem. The heating system is an S-type system with 2 x two port valves, a British Gas UP1 controller...
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    Standing water on back garden slabs

    Hi all, Recently a friend had his wonky paving re-set and cleaned by some handyman who is now refusing to answer calls. You'll see why from the pics... Water used to drain down quite quickly after heavy downpours, with a little standing. However, now, it stays there for a few hours, to the...
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    Default Ferroli Optimax HE31C - No hot water or heating.

    Hi all, I tried posting this on UK Plumbers Forums but they didn't allow it because they seem to think i'll be attempting to o the work myself (despite already getting a Gas Safe Engineer out). The purpose of this post is to see if anyone else has experienced this problem, how much it cost to...
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    Sloped driveway; water getting in under door. Drainage issue

    Hello all, My parents driveway is sloped downwards towards the house and although there is a small, circular drain (marked red in the picture); water often gets under the garage door during heavy rain. In the past week, when we had heavy thunderstorms, some water even seeped through into the...
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