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by Barbastelle
Tue May 04, 2021 3:23 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: TRV Doesn’t Look Right and is Stuck on Full?
Replies: 1
Views: 1895

Re: TRV Doesn’t Look Right and is Stuck on Full?

Could be stuck in the off (down) position. Drain rads. and try removing the brass fitting to see if can free the pin. If yes grease it with plumbers grease and re-fit it IF you wish to chance it. Try with the thermostat cap in place. If seems Ok you can chance it and fill rads. Don't forget the inhi...
by Barbastelle
Tue May 04, 2021 3:10 am
Forum: Plumbing Forum
Topic: Are old Water Pipes Responsibility of Water Board?
Replies: 1
Views: 1819

Re: Are old Water Pipes Responsibility of Water Board?

The pipes from within your boundary land are your responsibility IF only servicing your water. If you have lead pipes to your house/flat they will be replaced FREE of charge. You have rust in your water pipes. remove any filter on a tap to see the rust. Maybe the toilet will not occasionally not sto...
by Barbastelle
Tue May 04, 2021 2:56 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Vaillant Eco Tec Plus - How do I Bleed the System at the Boiler!!
Replies: 2
Views: 1950

Re: Vaillant Eco Tec Plus - How do I Bleed the System at the Boiler!!

First off. Find your Users manual, or download it from the internet at Vaillant web site but not from other web sites that will charge you. Along with it you will need the service manual. You will not be touching the gas side so do not worry. Under the boiler you will find two 1/4 tern taps. These a...
by Barbastelle
Tue May 04, 2021 2:30 am
Forum: Central Heating and Air conditioning and Ventilation Forum
Topic: Boiler comes on for a Minute Then Goes Straight off BUT this usually only Happens in the Morning
Replies: 1
Views: 1913

Re: Boiler comes on for a Minute Then Goes Straight off BUT this usually only Happens in the Morning

I AM NOT AN OIL BOILER ENGINEER so not qualified to give you a definitive answer. Your boiler may have a dirty nozzle. This is for spraying the oil out of its connected pipe into the circulated air (hence the motor fan) to form an oil vapor that is then burnt in the boiler, hence if correct the term...
by Barbastelle
Tue May 04, 2021 2:14 am
Forum: Plumbing Forum
Topic: Replacing Microbore Piping When Replacing Radiator
Replies: 2
Views: 1854

Re: Replacing Microbore Piping When Replacing Radiator

Sorry, I mean Thermostatic Radiator Valve (TRV) and not TVR as put in my reply.
These days TRV's can be fitted any end of the radiator. Inlet or outlet to suit. Just check the flow arrows.
Sometimes when replacing them it is necessary to replace the 15mm pipe tail to the copper T connector.
by Barbastelle
Tue May 04, 2021 2:00 am
Forum: Plumbing Forum
Topic: Replacing Microbore Piping When Replacing Radiator
Replies: 2
Views: 1854

Re: Replacing Microbore Piping When Replacing Radiator

First off we need to understand how all your other radiators are fed by. Presuming they are also 8mm copper piping, each set of pipes (2) from each radiator should go back to an manifold. The manifold you should find is between pipes from the boiler to a single radiator connected by two 15mm pipes. ...
by Barbastelle
Tue May 04, 2021 1:34 am
Forum: Plumbing Forum
Topic: What Pipe Diameters to use for Hot and Cold Supply
Replies: 1
Views: 2293

Re: What Pipe Diameters to use for Hot and Cold Supply

This is an interesting question. I do not know your pipe size in Hungary but with a combination boiler in the UK 15 mm should be fine for the hot and cold as the water to the boiler will be pressurised as so the same as to your cold taps.
by Barbastelle
Tue May 04, 2021 1:19 am
Forum: Plumbing Forum
Topic: Minimum Diameter for Overflow Drain for Cold Water Tank
Replies: 1
Views: 1773

Re: Minimum Diameter for Overflow Drain for Cold Water Tank

The usual size for a cold water tank for an overflow outlet is 22mm pipe of plastic. But saying that if you can fit a larger diameter pipe do so. Your cold water tank should have a lid fitted with an air vent with filter as on a tea strainer fitted to the lid. The strainer would be in a larger exit ...
by Barbastelle
Tue May 04, 2021 1:04 am
Forum: Plumbing Forum
Topic: Locating Hot and Cold Water Shut off Valves
Replies: 1
Views: 1892

Re: Locating Hot and Cold Water Shut off Valves

The simple answer is NO. The items on your 15mm copper pipes are on the left a compression pipe connector. On the right is a Double Check Valve, that is probably connected to the cold tap. This pipe will be mains fed meaning the water will be directly fed from the cold entering the house. You may or...
by Barbastelle
Tue May 04, 2021 12:45 am
Forum: Plumbing Forum
Topic: Low Water Pressure From Bungalow Ground Floor Immersion Tank
Replies: 1
Views: 1874

Re: Low Water Pressure From Bungalow Ground Floor Immersion Tank

Before you start doing alterations to your plumbing, although you probably have fixed the issue by now by the date of posting. You do not say how long the hot water tank has been last inspected for limescale if in a hard water area. The hot water cylinder it appears is fed by an (electric) immersion...
by Barbastelle
Tue May 04, 2021 12:06 am
Forum: Plumbing Forum
Topic: Plumbing Issue With Buzzing Double Check Valve
Replies: 1
Views: 1724

Plumbing Issue With Buzzing Double Check Valve

Dear DIY Doctor & users, This is my first post. Why is the 15mm Double Check valve buzzing as it is irritating, so please how do i fix it ? Is the tank float valve coursing it as it may be when the tank nearly full ? I have had a Certificate of Compliance (WIAPS) given to me with the fitters mem...
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