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Leak Query

  • 02-03-2021 5:54pm
    #1
    framework123
    Registered Users Posts: 112 ✭✭


    Hi,

    Appreciate any advice, have talked to my plumber, didn't seem too interested and suggested I get a guy with an infra-red camera as my next step?

    Basically have closed oil central heating system.3 zones upstairs/downstairs/water.
    Have to top up the system regularly last few months with water as pressure falls close to zero from 1/1.5.

    However if the heating isn't on it falls very slowly like over a week or so .
    If heating is for a while, it drops much quicker - like overnight..
    It doesn't seem to matter if heating is on upstairs or downstairs it causes the pressure to drop - This makes me think it could be losing pressure around the boiler somewhere ?
    Cant see any signs of water damage but it must be going somewhere. Appreciate any advice/thoughts - or recommendations based in Kerry


Comments

  • #2
    Sleeper12
    Registered Users, Registered Users 2 Posts: 17,157 ✭✭✭✭Sleeper12


    It could be losing pressure from a lot of places. The safety valve at the boiler, under the floor. Could even be the cylinder coil.

    Had a leak in my own coil. Pressure would drop a bar in 15 minutes or so. Never dropped below 1/8 of a bar. This is what gave me a clue it was the coil. 1/8 of a bar was gravity pressure


  • #3
    framework123
    Registered Users Posts: 112 ✭✭framework123


    Sleeper12 wrote: »
    It could be losing pressure from a lot of places. The safety valve at the boiler, under the floor. Could even be the cylinder coil.

    Had a leak in my own coil. Pressure would drop a bar in 15 minutes or so. Never dropped below 1/8 of a bar. This is what gave me a clue it was the coil. 1/8 of a bar was gravity pressure

    Thanks for that..can I ask is the boiler safety valve actually located in the boiler somewhere? Or is it near the expansion tank do you know


  • #4
    Sleeper12
    Registered Users, Registered Users 2 Posts: 17,157 ✭✭✭✭Sleeper12


    framework123 wrote:
    Thanks for that..can I ask is the boiler safety valve actually located in the boiler somewhere? Or is it near the expansion tank do you know


    Usually in or around the boiler. Though mine is in the attic. Look on the other side of the wall that the boiler is on. You should see a pipe sticking out of the wall an inch or two. If the safety valve is faulty then this is where you'd expect to see water. I'd imagine the plumber looked at this already


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