airlock

  1. H

    Airlock Cold water

    Hello, today I woke up to no cold water coming out of my bathroom tap or the toilet so I can not flush the toilet, hot water works fine. I’m not sure if the cold water works in the shower as the shower seems to only give warm water and it being stuck on that temperature. the bathroom supply is...
  2. MarkFS72

    lockshield valve Turns but doesn’t open or airlock?

    So I’ve had a rad in the conservatory for years which the pipework is spurred from upstairs and it’s gone cold with cold pipes too for the first time. Expecting a simple fix I bled it, made sure the valves were open but no effect. So now I suspected a stuck valve (though both were kept open...
  3. M

    Help Rayburn Air lock

    I have a Rayburn connected to hot water cylinder indirect with radiators which turn on when at certain temperature. The system has been working for many years with no issues, but when I drain the system I get an air lock which sometime sorts itself out when the temperature gets to 90 deg. I...
  4. B

    Radiator seems to fill every 30 mins? banging?

    I am working from home at the top of the house in a converted attic. As this is the top of the house, I usually bleed the radiator quite often due to air pockets which is fine and the Radiator gets hot. This is a new radiator, but it seems suddenly every 30 mins or so while the heating is on...
  5. B

    Heating design - underground pipes with external boiler

    Looking at where to place an external boiler, and some guidance on best practice is needed! Very conventional system - heat-only oil boiler, fully pumped, Y plan, indirect cylinder, F&E tank, 7 rads, all in a 2 bed cottage. It's a spring-supplied system, not on mains, so there is only 0.5 bar...
  6. M

    Central Heating radiators not heating correctly

    Hello, I need some help please I have an open vented central heating system with a Potterton Profile Boiler. Probably 25 years old I was having trouble getting all of the radiators hot at the same time, by turning the upstairs off I could get most of the downstairs hot for a while and vice...
  7. N

    Real bad airlock

    I fixed some leaking pipes from floor board nails - but replacing the damaged sections with new pipes and used compression fittings to join them together. Leakage fixed - but I now have a REALLY BAD AIRLOCK... - No CW in ground floor bathroom faucet or toilet cistern - HW good in ground floor...
  8. grobsy

    Airlock in cold feed to shower pump - gravity system

    Initial Plumbing set-up: Loft: Cold water tank with 1x 22mm feed to HWC, and tee-ing off this 22mm just after it leaves the tank is a 15mm HEP feed down to the Cold side of the shower pump under the bath on ground floor. (there are no other Cold feed off the tanks as all the cold taps are mains...
  9. L

    Airlock in CH system, but all radiators are working?!

    Hi there. Three weeks ago we had a new pump fitted in our (conventional) boiler. Now the central heating sounds like it's possessed. Whenever it comes on there's a period of about ten minutes where it sounds like the pipes are going to pull apart; clanking, clanging, whooshing, HUGE crashes and...
Back
Top