Unfortunately, this deal has expired 30 April 2023.
Posted 1 March 2023

Plumbsure Central Heating Cleaner, 310ml - £1 (Free Collection / Very Limited Stores) @ Trade Point (B&Q)

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Product details

Product information

Comes with Filling adaptor
Suitable for Central heating
Disperses sludge and other deposits.
Features and benefits

Minimum use 1 hour, maximum use 7 days
Keeping your home's heating as efficient as possible helps to save energy
Minimum use 1 hour, maximum use 7 days

£1 you can't really go wrong in my opinion
Trade Point (B&Q) More details at
Community Updates
Edited by a community support team member, 2 March 2023
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  1. KB90's avatar
    I bought this but don’t know, how to use it.
    Can someone guide me please?
    RoosterNo1's avatar
    You close the valves on one radiator ... drain out some water (a litre will do) then take out the bleed or blank plug from the top of the rad and squirt this in using a standard caulking gun....
    Replace the plug, open the valves to let water back in, and bleed out the air.
    Run the heating for a few days, then turn off the mains water inlet (in the airing cupboard , or even the house main) open bleed screws on all rads and drain the system using a hosepipe into a drain outside.
    Once empty, turn the water back on and bleed all the rads (starting downstairs )

    Sounds daunting, but it's easy enough.
  2. Evo_Lution's avatar
    Do not leave cleaner in your system for longer than a week or two, the dissolved sludge eventually turns in to large flake and will block your boiler plate. They are meant to be removed after a period of time!
  3. flang's avatar
    be wary that if your heating system has not been cleaned for years then this stuff may dislodge sludge and block your heat exchanger or divertor.
    c58's avatar
    We've bought an old house and the system definitely hasn't been cleaned in years. Any recommendation as to what to use?
  4. Kaos_KS's avatar
    Ordered. Thanks. Heat added.
  5. xigent's avatar
    Don’t be deterred by the naysayers, central heating cleaners have been widely used with much success for many years. Obviously, follow the instructions. (edited)
  6. Giggles's avatar
    It doesn’t say how many rads it work upto
    RoosterNo1's avatar
    It works on the entire sytem... there is no limit !
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