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vent

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  1. J

    Auto air vent placement

    If anyone can give me pointers I'd be most grateful. I have flow and return coming in at the floor level in one corner of a room that rises to ceiling level runs around three walls and drops to the ufh manifold. It is drained at the moment but when I refill Id like to have done the most I can...
  2. S

    HW Vent pipe

    hello, can the hw vent pipe basically come across the top of the cwsc and then angle back in at the top? Roughly about 30mm above the top of the cistern. All the other ones I have seen come way over in an elaborate way then back in. I have looked through all the plumbing books I have nvq etc...
  3. Robert Tyrrell

    Vent sizing tool

    I've seen these things used by others to gauge the size of an existing free air vent and I wondered if any of you know where I could get one as I can't find them on the net? As far as I can remember, it looks like a piece of stepped rod with each 'step' being a different diameter in mm.
  4. M

    reducing down for soil vent

    With an internal stack that needs venting through the roof, it is usual to reduce down after the last 4inch branch in the pipe that goes in an upstairs toilet. What size do you usually reduce down to to take the soil pipe out through the roof? Think I have seen 3inch before do the readily sell...
    • Mgrant
    • Thread
    • soil vent
    • Replies: 15
    • Forum: Boilers
  5. B

    Auto air vent tool

    Real help on isars
  6. Chalked

    Open vent boiler

    Usually fit vaillants, but need to replace a large floor standing boiler in a cellar. Looking at two 24 kW heat only. Don't want to pressurise it, as its a mixture of old and new rads and pipework. never been happy with open vent Vaillant. So can someone recommend me another manufacturer?
  7. 8

    Help! How water cyclinder open vent pipe

    I have an issue where the HWC (Hot Water Cyclinder) open vent pipe is dripping occasionally into the CWSC (Cold Water Storage Cistern) in the loft. Which is causing the overflow from the CWSC to drip. The HWC Stat temp was sent to 55 degrees. I have turned down the temp for the heating...
  8. S

    Boiler 'At Risk' due to flue being next to extractor vent - options to resolve?

    Hi All My boiler was deemed 'At Risk' by a British Gas engineer yesterday due to the external flue being located next to the oven extractor fan outlet. Previous engineers deemed this 'Not to current standards', but the opinion of this engineer was different. The boiler is ageing and so I'd...
    • spaniard5
    • Thread
    • boiler flue vent
    • Replies: 12
    • Forum: Boilers
  9. D

    Vent for Shower Pipework in Loft

    A long time since I've been on here, but I need some more advice. Our 'spare' bedroom has a Mira power shower. The hot water is fed from the HW cylinder which is more or less on the same level but about 5 metres away, and the pipe runs up into the loft, and back down into the shower unit. The...
  10. W

    Painted soil and vent bits identification help needed

    Want to replace WC. Want to replace pan con and new WC waste may be slightly higher/lower. Never installed soil and vent so am guessing a bit here. Purple line fitting: regular pan conncector Red arrows: 110 elbow with top end being plain and bottom end having rubber seal. Inside elbow and...
  11. C

    vent overflowing after re-filling system

    Hi Guys, I,m sure this has been covered a multitude of times, but some additional advice would be most appreciated please. I have been using the CH system for many years with no problems, it's about 30 years old, the boiler was replaced about 6 years ago (baxi) and the pump replaced about 4...
  12. M

    Cold feed and vent

    I have always put the cold feed and vent near the pump as that's what I was taught. I now have a job I really need to move the cold feed and vent as they are piped up the old gravity way. The problem is getting them to the pump will be a right pig. Can I fit it to the cylinder return? Or do...
  13. A

    Open Vent system problems hot water

    Hi I have an open vented system with ideal boiler. When there is demand for hot water the central heating comes on (although there is no demand for heating). Am I right in saying that its the mid position valve that needs replacing and not the actuator head or will it be both? It was...
  14. U

    cast iron waste/soli/vent pipe split

    The bottom section of our 5 x 4.5`x 4" stack has split and must be replaced imho! It has been suggested that it is a simple job to remove the split section and replace it with pvc...I wonder about the weight of the upper sections - is it realistic to have a CI stack sitting on a pvc bottom...
  15. A

    tank fed system boiler, vent and fed positioning?

    I have bin to take a look at a heating system thats heating the office part of a commercial building. Last year it had a boiler change, im not sure what was there before. What has been put in is an Intergas combi boiler, tank fed on the heating side, the hot water side is not connected. 1, Any...
    • AWheating
    • Thread
    • boiler system tank vent
    • Replies: 17
    • Forum: Boilers
  16. D

    How to vent my glowworm ultracom 30sxi

    Hello helpful people. I have a leaking safety valve, the system is losing pressure over a few days. I am about to replace it but after draining and fitting the new valve the instructions in the manual say "refill, vent and pressurise the boiler" My question is: how do I vent? I see there...
  17. B

    Combined Feed and vent pipe

    Hi, I was just doing a bit of repair work on my mother in laws system as the F&E tank was slightly overflowing, seems the ball valve was set far to high, so i adjusted it which naturally took the water level down to below the overflow, however, i noticed that there was no vent pipe over the F&E...
  18. M

    Air being sucked in through vent pipe

    Hi All Just recently with no changes to the system i am daily having to bleed upstairs rads. Its a vented system with CW Feed and expansion tank.pipe work & plumbing are original (approx 20yrs old )however new boiler,pump ,hot water valve ,stats and programmer 2 yrs ago all fitted by qualified...
  19. G

    Open vent CH. Heating works, but hot water very poor

    Hi All Moved in a flat with open vented CH system. 2 Water tanks in the loft. Cylinder in cupboard. Ideal Logic + Heat only boiler Installed 2014. Power flush done, pump changed. And heating system works very good. Problem is hot water. As soon as put hot water on, boiler keep switchs on...
  20. G

    F&E tank open safety vent pipe

    Hello folks I was hoping for a few answers regarding my F&E tank. I recently changed my F&E tank to the 4 gallon polytank. I have inserted the open safety vent pipe into the top of this tank (can't seem to attach the pics, it keeps giving me an error.) Is this tank supposed to have a...
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