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drain cock

A tap (also spigot or faucet: see usage variations) is a valve controlling the release of a fluid.

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  1. L

    Part drain, complete drain or isolate single rad to fix weeping valve extension?

    Hello Plumbers I’ve replaced a 540mm high cast iron rad with 740mm high, like for like but still a 20mm valve extension was required. All was ok until I've spotted a v small leak (like 1 drip per hour) between the valve nut and extension piece. So I suspect I just need more PTFE + compound...
  2. D

    What is the reason for having a soldered drain cock?

    The majority of joints on my central heating system are threaded, apart from a few that are push fit. However, the drain cock is a soldered fitment, so the question is - why is this soldered (unless on some older BSP systems) when a threaded joint is suitable for everything else? Just seems...
  3. N

    Leaky Drain Cock Advice Please

    I have three problems but will post separately. Drained system yesterday and am left with a leaky drain cock. 400 ml in 16 hours so need to fix. The pipework this one is attached to is boxed in, as you can see from photo. I am not familiar with the innards of drain cocks but anyway I will have...
    • NorthernLad
    • Thread
    • advice america drain drain cock leaky please usa
    • Replies: 5
    • Forum: USA
  4. S

    CH Boiler Drain cock

    Below my Boiler I have a Pressure Relief Valve which vents to the outside and a drain cock (see image) The drain-cock is dripping and requires a new washer If I release this drain cock Will it just drain down until the Expansion Tank pressure drops to 0bar until no more water flows Or Will it...
    • suffolk
    • Thread
    • america boiler drain drain cock usa
    • Replies: 4
    • Forum: USA
  5. M

    Drain cock washer/ new inners

    Any idea what size drain cock washer this old valve will take. Pretty sure it won't reseal.
    • Matt0029
    • Thread
    • america drain drain cock new usa washer
    • Replies: 3
    • Forum: USA
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