valves | Page 4

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valves

Recent contents Top users
  1. J

    Zone valves & burner light?

    Hi all, For my boiler worcester bosch greenstar 30Kw Ri Compact, I noticed that, within programmer set time, for heating, if the house temperature has reached set temperature say19°C, the zone valve for heating will close, the boiler's a burner light (green) will be off, and blue light is off...
  2. S

    Magnaclean stuck on valves!

    I'm hoping to do a magnacleanse clean shortly but the speedfit connectors on the magnaclean micro valves on the system seen stuck on and will not budge. I would prefer not to drain system and remove compression fittings on the filter but realise I might end up having to. Im in the know on how...
  3. J

    Tap still dripping after valves have been replaced?

    Hi I have a dual lever bath tap / shower mixer and have replaced both ceramic type valves on each tap. Since then the tap continues to drip and was hoping to get some advice, thanks I’m advance
  4. Bettyboo

    shower valves and change of water pressure?

    Hi All Thames Water recently came to fit an outside water meter and since then I have had two 1901 bristan shower cartridge/ valves dripping . Is it possible this was the cause ? When I did up the house I had a 25mm MDPE main water pipe fitted between the external stopcock to a new internal...
  5. Reddwarf4ever

    Changing valves in a Brixton quest kitchen tap

    Have removed the cold valve easy enough, but the hot valve will not unscrew, have used a spanner and mole grips, but both start sliding and starting to damage the nut surface, is it possible that the hot tap valve unscrews the opposite way ? I assumed both would be anti clockwise to unscrew...
  6. E

    How long do honeywell two port motorised valves last?

    Ours are lasting between a year and two years and then I have to replace. Is this normal or should I be investigating our central heating system to find out why? Which motorised valves do you recommend I use?
  7. G

    How do I shut off a bathroom radiator with angles valves?

    My bathroom radiator is very hot in a small room and I would like to shut it off but can’t work out how. There are two valves one at each side at the bottom with a small prong sticking out of each one. I don’t know what the difference is between them or even if that is what I have to turn or how!
  8. 2

    Rad not heating up. Warm water through both valves.

    I have a house with 15 rads in it. In a bedroom upstairs I have a rad that isn't heating up. This rad was moved about 5 years ago with 1/2inch plastic pipe to new location in the same room but was never turned on. Tonight I tried to blead it but then removed the rad, emptied it and when off...
  9. E

    Isolate shower to service valves

    Hi All, new here and need some help. I’ve just bought a house with a built in Mira 915b shower. The valves are playing up so I want to remove them to put new o rings and grease on. Trouble is I can’t isolate the water to it. Hot is fed from the cylinder and the feed has a gate valve which is...
  10. E

    Tool to undo the non return valves on shower mixer?

    I am trying to undo the non return valves on my shower to clean them but they won't budge, I guess there is a tool for doing this but can't find one on line - help would be appreciated! It's basically a very wide slot but my largest screwdriver does not do the trick, the maintenance...
  11. G

    UFH must valves open before pump runs?

    The (rather sparse) manual with the controller that was supplied with my UFH (Hettaj describes the start sequence as - when demanded by the stat - valves open then pump runs. As the programmability of the stat is very basic, I’d like to replace it with a smart controller the same as I use on...
  12. Bogart

    Valves on Y plan is this normal?

    Attached is a drawing of current valves on Y plan. All are gate valves and dirty at that so will change for ball valves. What I would like to know is the following What is the purpose of valve C. It is a 22mm valve on 28 mm pipework Obviously valves A and B isolate the radiators and the DHW...
  13. J

    Changing radiator with new valves and reducers

    Hi all,I am looking for some advice,I am doing a bathroom refurbish for my daughter,I have to change the existing radiator for a newer type,my problem is as the lives in a ground floor flat,I do not have access to any loft header tank.I am surmising it is a gravity fed system,it is not a combi...
  14. B

    Incredibly stiff radiator valves

    I'm having problems with 1/2" x 15mm lockshield/manual radiator valves that I've bought from one of the major suppliers who mainly sells goods originating from China or India. Apart from the first lot which came in individual bags labelled as 1/22 X 15 but contained 1/2" X 10 they've sent 3...
  15. D

    Connecting a Magna Cleanse to radiator valves

    I've just acquired a Magna Cleanse (MC) to use with a rental property I have that has a Magna Clean. Before I go to the rental property, I wanted to do a trial run at home. At home I don't have a Magna Clean due to the boiler F&R pipes being in a wall and boxed in and the boiler is outside on a...
  16. S

    Are Bulldog TRV valves interchangeable?

    Hi All, I have a number of Bulldog TRVs installed to my radiators (15mm pipe) and most have snapped or broken. :( I would like to replace just the TRV head (not the valve), so that I don't have to drain the rads. Are there any like-for-like alternatives that I can buy from screwfix? They have...
  17. T

    Cause of intermittent noise from pump and zone valves

    Open vented fully pumped oil fired system. Works well but occasionally (every few days or do) loud throbbing noise from pipes directly above boiler. Goes away if system switched off and then immediately on again. New pump and no benefit from replacing zone valves. Any ideas gratefully received
  18. Bogart

    Flow rates through 2 and 3 port valves.

    Yes it me again with another question. I keep reading that one will get a better flow rate in an S plan than in a Y plan. Now I can see that being valid if both heating and hot water are called for but if only one surely the flow rate will be the same for both plans? Finally are there any makes...
  19. C

    Automatic bypass and radiator thermostatic valves

    Hi If the radiator valves are not demanding much heat and are near closed then the automatic bypass should be cutting in. I have a few queries that may be obvious but not to me as old system did not have an automatic bypass. [1] When it comes in it is shunting some of the hot water, will this...
  20. L

    Getting a smart heating (Tado): Dynamic Valves? How important is the type of TRV?

    Hi, I'm getting a Tado smart heating system (have a gas combi boiler). I don't have TRVs currently, so I need to get a plumber to replace my old valves and get TRVs everywhere. So I might as well get good ones, and it doesn't really matter whether one costs €15 or €25. I found the Danfoss...
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