Sentinel X400 Sludge Remover 1 litre

£24.88 (Inc. VAT)

Manufacturer Direct in 2 - 3 Days


Plumbworld has the lowest price for this product!


Removing built-up sludge and magnetite from your central heating system can sometimes be a real chore. Alleviate the worry with a bottle of X400 Sentinel Sludge Remover. It will help restore circulation to pipework and radiators to prepare the system for installation of new parts.

X400 is ideal for pre-dosing as the long lasting formula can hold sludge in suspension for up to 3 week!

A 1 litre bottle of X400 should be enough to dose about 8 to 10 radiator panels in your home. It’s easily added using the dosing vessel or the adaptor included. It should be circulated at normal temperature with all valves open for a minimum of two hours or until a satisfactory performance is returned.

A pH neutral formula allows for use in all types of domestic heating system, including those with aluminium content.


Features and Benefits:

  • Efficiently restores system circulation problems.
  • Say goodbye to radiator cold spots.
  • Prepares for new components to be installed on old systems.
  • Non-acid formula which won’t cause pin-holing or leaks.
  • Suitable to be used in all domestic indirect heating systems. Including those with aluminium residue.


Sentinel X400 Sludge Remover 1 litre

£ 24.88 (Inc. VAT)

Stock status: Manufacturer Direct in 2 - 3 Days
Interest Free in 4 Easy Payments

Pay £6.22 every two weeks with

Final credit amount & repayments subject to Zip terms & conditions. Maximum spend £1000.

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365 Day Returns

Returns Policy - Changed Your Mind?

If you change your mind about the product when you receive it you can notify us any time within 365 days and return it for a full refund at your own cost. Any refunds will be made within 30 days of receiving your returned item. You are expected to cover the cost to return the item and your initial delivery charge will not be refunded.

More details here

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Prices last checked on 20/10/2021
All prices are inc VAT and include delivery charges

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