DripFix Plumbing Solutions General enquiries: 0845 020 0670, Urgent: 07946 608991 Emergency Boiler Repairs, Boiler Servicing, Central Heating Installations & Central Heating Repairs: Call 07946 608991   Emergency Plumber for Burst Pipes, Leaks & Floods: Call 07946 608991    Bathroom Installations & Make-overs: Call 0845 020 0670    Shower and Wet Room Installation & Repairs: Call 0845 020 0670    Toilet Installation, Repairs & Replacement: Call 0845 020 0670    Blocked Drains, Emergency Drain Clearing & Repairs: Call 07946 608991   DripFix is Gas Safe Registered: Call 0845 020 0670
Got cold spots in your radiators? Click here for more information about our central heating PowerFlush service.

We replace radiator valves: Call DripFix on 0845 020 0670 now! We install radiators and clen out radiator sludge: Call DripFix on 0845 020 0670 now!

WHAT ARE TRVS?
Thermostatic Radiator Valves (or 'TRVs') can automatically turn down radiators when rooms reach your chosen temperature, turning them back up again when the temperature in the room drops. It's as simple as that!

We can replace your ordinary radiator valves with TRVs which will help to make your whole central heating system more efficient, saving money on your gas bills and boiler maintenance.

Call us now for a free estimate!

My radiator valves leak!  Call DripFix on 0845 020 0670 now!
Are your radiator valves stuck or leaking onto your flooring or carpets?
A lot of radiator valve problems can be solved with a few simple steps and some common sense.

Here's how to tackle some of the common faults with radiator valves, but before you start, make sure you know how to turn off the water supply to your property and that your mains stopcock is working in case things go wrong!

And of course, if you are still having problems with your radiator valves after trying these tips, call us!

HELP: MY RADIATOR VALVES LEAK!
  • Step 1: Isolate the heating system. Turn off your heating, preferably at the fused spur controlling power to the timer (if fitted) or at least turn off the timer. This is to prevent the pump coming on whilst you are working on the valve.

  • Step 2: Put down a dust sheet or other floor protection under the leaky valve (just in case you make the leak worse rather than curing it!), then take the plastic top off the valve.

  • Step 3: Identify the source of the leak. Working from the top of the valve down, wipe a finger along the valve and look to see when your finger gets wet (watch out for sharp edges!).

    A wet finger at the top of the valve signifies a leaky packing gland. A wet finger from under the valve or at the joint with the radiator usually means a loose securing nut.

  • Step 4: Leaky packing glands: Use an adjustable spanner to grip the hexagonal nut on the top of the valve where the spindle comes out of the valve body.

    Turn the nut a little - just the equivalent of one point on the clock face, e.g. from 1 o'clock to 2 o'clock. Wipe the joint dry and watch for any further leaks.

    Repeat the process if necessary, but don't turn the nut too many times or you won't be able to turn the spindle to turn the radiator on and off.

  • Step 5: Loose securing nut: Use a pair of pump pliers or mole grips to hold the body of the valve steady then slip an adjustable spanner over the loose nut.

    Turn the nut a quarter turn tighter (the direction to turn the nut will depend on where it is fitted, but you'll soon know if you are turning it the wrong way if it gets easier to turn and water starts to appear!).

    Wipe the joint dry and watch for any further leaks. Repeat the process if necessary, but don't turn the nut too many times or you may damage the joint sealing collar (known as an 'olive') inside the nut.

  • Step 6: Turn the heating system on again and check for leaks from your valve.
HELP: MY RADIATOR VALVE IS STUCK!
  • Step 1: Isolate the heating system. Turn off your heating, preferably at the fused spur controlling power to the timer (if fitted) or at least turn off the timer. This is to prevent the pump coming on whilst you are working on the valve.

  • Step 2: Put down a dust sheet or other floor protection under the valve (just in case you start a leak).

  • Step 3: If the valve is thermostatic. Turn the valve head to the maximum setting, hold the head of the valve and turn the securing ring (usually a silver ring under the valve head) anti-clockwise to release the head.

    Thermostatic valve parts
    Thermostatic valve components


    Lift off the head to see the valve actuating pin on the top of the valve body.

    Take a small hammer and tap gently on the pin until it rises up (don't hit the pin any harder than you would hit the keys on a very expensive concert piano!).

    Once the pin rises replace the head and tighten the securing ring.

  • Step 4: If the valve is not thermostatic: Remove the plastic top (some are held on with a screw, others just pull off) so you can see the brass spindle.

    Use an adjustable spanner to grip the flat head of the spindle.

    Gently turn the spindle alternatively in a clockwise and anti-clockwise direction to release it until you can turn the spindle freely.

    Rotate the spindle fully from open to closed (usually between 3-5 turns depending on the brand of valve) then refit the valve cap.

*DISCLAIMER - IMPORTANT: PLEASE READ
This article is provided for information purposes only. You should only attempt any procedures explained here if you are competent to perform the task and have the appropriate tools and materials, including any relevant safety equipment.

Readers acting upon this article do so at their own risk and no responsibility is accepted by the author or publisher for any loss or damage incurred by following the article or failing to follow it.

If in doubt always consult a properly qualified tradesperson or other competent person.
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