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  1. S

    WHY DOES MY CH HEADER TANK KEEP FILLING????

    macgee - i'm sorry was just checking every possible solution!! this is a weird one. hope it gets sorted out soon and a solution is discovered.
  2. S

    WHY DOES MY CH HEADER TANK KEEP FILLING????

    i was wondering if the f & e was not at least 1 metre above the primary vent it could cause pumping over , but missed half this post so gotta catch up!:) pump positioning/speed setting could also play apart in this. the pump head/3 rule is true ... :)
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    pulling an offset at 45 degrees

    yep the 2 steel rule is good - i was taught that and the mckeown's rule for going back from marked point. i did a 45 for a 65mm diatance (width) between 2 joints (using 2 pieces of scrap pipe) and it was not good!!! so gonna do it again (tomorrow now)!:) to 30
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    WHY DOES MY CH HEADER TANK KEEP FILLING????

    umm sorry for misreading. the cold feed is also the expansion tank for when the CH /primary water is heated. what's the distance roughly from your feed and expansion tank and your primary flow to your hot water cylinder?
  5. S

    WHY DOES MY CH HEADER TANK KEEP FILLING????

    why would a blockage somewhere down the pipe cause water to come out of the vent?
  6. S

    pulling an offset at 45 degrees

    that's my original point!! when pulling the offset the offset itself was too big, eg one bend to the other fitted the space and there was no room for the straight ends to insert into the fittings at each end!!! - as the other poster mentioned, i needed a smaller angle 30 degree ... nothing to...
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    WHY DOES MY CH HEADER TANK KEEP FILLING????

    this is a weird one - i wanna find out the answer to this! :) i'd lay money on it being he coil though - if the pipe was blocked somewhere then the water wouldn't be able to come out of the vent would it? very tricky !...
  8. S

    pulling an offset at 45 degrees

    can't as the distance (height wise) between the 2 fittings won't allow it!! :)
  9. S

    pulling an offset at 45 degrees

    while i'm on the subject of copper pipe! :) and on the net - can i ask a simple question to you - when a soldered joint is made, if the silver ring isd all the way around, then the joint is good isn't it ... ? one of those days :)!
  10. S

    pulling an offset at 45 degrees

    thats what i was thinking. actually i just remembered, i need 2 folding steel rules- 600mm deduct the length between bend - in my case 65mm from 600 - put my other steel rule on 535 and bend to that angle!! just came back to me ......
  11. S

    WHY DOES MY CH HEADER TANK KEEP FILLING????

    it must be a hole in the coil 0 what other explanation can it be?? can't be a blocked cold feed as there is still water in the system i take it??
  12. S

    pulling an offset at 45 degrees

    Hi I have been making a 15mm offset using a hand bender - I pulled it to 45 degrees and the distance between the two fittings was 65mm. so i marked 2 lines on paper 65mm apart. i made the first bend and layed it on the template (on the paper) and marked the position for the second line. I...
  13. S

    Are all flush valves crap???

    i found with the drop valve that the oveflow level is well under the inlet leel and they are generally a lot smaller than the normal siphon type devices. i also found that they have a more powerful flush and only use a tiny amountof the cistern water (compared to the siphon type)!!!
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    new boilers SEDBUK rating A or B? all system types?

    as new ly installed boilers now have to have a SEDBUK rating A or B - and these are condensing type boilers: does it mean that if replacing a boiler (eg my potterton flamingo-i have to get a condensing type? and these condensing type boilers are system boilers that have the pump, etc built in...
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    Leaking Radiators

    well i would suggest if te pipes looks ok (no green coating visible) then thry should be fine. if you put similar size rads on then not much pipework will be required (if any) so it shouldn't be a prob. just hold the valve body carefully with 1 wrench when undo the possily stiff compression...
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    siphon nuts? tight?

    Hi-yep today I don't think i tightened it enough with the pliers as it was fine second time. i know badly worn or damaged washer can cause water from under the cistern/back of the pan-but this was more than a leak a full flow!! so i took it out and tightened it more and it worked fine!!
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    Leaking Radiators

    i had a leak from an old wheelhead rad valve about a year ago-so replaced it with a new TRV and it was fine. (i replaced the tail and valve body)... pipework should be fine, as long as you be careful when loosening valve nuts ou shouldn't hae a prob really. is your old system a two-ipe system...
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    Are all flush valves crap???

    well you've earned the right to do boilers and stuff being corgi reg! but i agree with the doughnut washer probs! i changed 3 siphons this year (for myself a mate and a family member). one was ok as i used the same doughnut washer as it wasnt split or torn. on my toilet i had probs as i...
  19. S

    Are all flush valves crap???

    also the valve i fitted had an overflow lever/box fitted on the side and not a ball like the screwfix one! maybe u just bought a dodgy valve?
  20. S

    Are all flush valves crap???

    i put a drop valve in (from b&q) was 13 quid and i learned that if you tighten the plastic backnut to the flush button inside the cistern too tight then when you push the button to flush it doesn't come out again!
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