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    Air getting into hot water pipes

    sorry about the delay in getting back no photos of setup yet hot water pipe comes out top of the tank *right angle then on to Tee connector" other ends of Tee 1 is the vent pipe up to the cold water tank, the other drops tp floor level feed to all hot water outlets there is no separate pipe...
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    Air getting into hot water pipes

    Vent and hot water draw off is taken from top of tap (sorry if I didn't make that clear)
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    Air getting into hot water pipes

    Hi guys, I can get the air out by connecting washing hose pipe to hot pipe and run cold water though the hot pipe But its happening every 3-4 weeks (been like it for 20 yrs or more) so want to try to stop it Live it a dormer bunglow, Cold water tank in roof, hot water cylinder on first floor...
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    i need some rendering advice

    would that hold up to the weather ? i get a lot of wind and rain that side of house just had a re-measure area is 147cm x 136 cm so would need a joint in the renderboard if i put up strips of marine ply, should i put insulation boards to fill the gap ? should i screw or glue the renderboard on...
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    i need some rendering advice

    hi all got a small concrete block wall that needs re-rendering (old render looks like it was removed years ago) it between 2 windows its only around 1.5 sq mts (1.3 mts X 1.25mts) it needs 30mm to bring it out level with the brick work either side of the windows here is my thoughts/plan 1...
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    Air Separator or combined unit ?

    Do I get an air separator or a combined deaerator and dirt remover ? I was looking at the Spirovent 28mm, but spiro don’t do a combined 28mm unit I don’t want the plastic bottle unit Whenever I drain/refil the system I always get air trapped, it takes ages for it to clear And now I’ve...
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    stove now running hotter than before, but why ?

    sorry got the terms the wrong way round, thought flow was feed into the boiler and return was the hot water coming out so the flow coming out of the boiler (Hot) has a vent on it and the return (cooler) goes into the boiler so its still the same question just the terms I used need to be...
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    stove now running hotter than before, but why ?

    yes they can be inaccurate, but the heat was also radiating our into the room, which it never did before I put on this direct vent pipe
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    stove now running hotter than before, but why ?

    hi, had wood burning back boiler for over 30yrs, had 2 in that time first one run lovely and hot, but second one was bigger but never as hot both connected to the same pipe work (flow pipe and a return pipe with a vent) this week I fitted a direct vent pipe to the boiler as well as the flow...
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    air trapped in cold feed to immersion tank

    about 1min, until all the top of the hot cylinder was cold I could have it on longer, but due to the weight of the water on the input side of the hot water cylinder, I think the cold water will find the overflow on the hot water output side easiest route
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    air trapped in cold feed to immersion tank

    its between 3-4 foot above the top of the hot water cylinder it used to work ok, before I re-routed the pipes to the down stairs bathroom, the height of the pipe did not change I just moved the pipes so they all run next to each other
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    air trapped in cold feed to immersion tank

    yes wen I say immersion I mean the copper cylinder I can undo the nut on the hot water out put side (top of cylinder) but the copper pipe end that goes into the cylinder is stuck fast, I've used wd40, hit it, just will not move worried that I could bend the cylinder or bend the copper pipe if...
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    air trapped in cold feed to immersion tank

    how will replacing the gate valve with a ball valve get the trapped air out there are no drops of water leaking so air is not getting in,
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    air trapped in cold feed to immersion tank

    when I say stop cock I meant the gate valve fitted between the cold water cistern and the hot water cylinder (immersion heater)
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    air trapped in cold feed to immersion tank

    there has never been any debris from the taps there is no rise from the cistern to the cylinder I live in a dormer bungalow about a year ago I re-routed the hot water pipes, which are below the bottom of the hot water cylinder, at the same time I replaced the stop cock feed from the cistern...
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    air trapped in cold feed to immersion tank

    water level in CWSC is ok gate valve full open (I changed the valve at the start of this week think that may be a problem) tank is ok I blow back cold water though pipes by connecting washing machine hose from cold pipe to hot pipe (taking end from washer and put on hot water pipe connection
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    air trapped in cold feed to immersion tank

    yes same problem on all hot taps as I said been on various web sites and having tested using info for forums tracked it back to immersion (& its input side) thought before I go out and buy a new immersion tank, I'd do a few more checks that where I found that by turning stop tap cold feed to...
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    air trapped in cold feed to immersion tank

    hi folks been having a problem with my hot water flow for many months there just is hardly any pressure after a few checks (and suggestions from various web sites) I thought the problem was a blockage in the top of the immersion tank, but the top outlet and the heater element are stuck fast...
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    can i fit non return valve to hot water vent pipe

    no hot pipe comes out of hot water cylinder then down under floor boards into first floor loft space (its a dormer bunglow) then down into the downstairs bathroom
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    can i fit non return valve to hot water vent pipe

    thanks for that, i'll look at that first, as i said it worked ok until i re-routed the pipes in the loft, the pipe work length & dia to this bathroom hardly changed another run i changed from 15mm to 22mm, but we hardly use the taps on that run,
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