Err

Plumbing and heating suppliers for everyone
FREE STANDARD SHIPPING
to UK mainland for orders over £50*
CUSTOMER SERVICE: Please email us at: [email protected]

Fernox DS-40 Descaler and Cleanser (1.9KG)

(Code: 6603037)
DS40 System Cleaner is a fast-acting, citric based acid cleaner that is designed to remove limescale magnetite or black sludge and other system contaminants. Ideal for use when power flushing can also be used to descale a heat exchanger or boiler component separately.
£ 37.00
1900g

100% Secure Payments

Free delivery on orders over £50*/

Next day delivery available


  1. Description of the article Fernox DS-40 Descaler and Cleanser (1.9KG)



    DS40 System Cleaner is a fast-acting, citric based acid cleaner that is designed to remove limescale magnetite or black sludge and other system contaminants. Ideal for use when power flushing can also be used to descale a heat exchanger or boiler component separately.
  2. Rapidly removes limescale, black sludge, and other deposits
    ✔ Restores circulation and improves heating efficiency
    Free-flowing powder for easy use with power flushing units or application via F&E tank or Injector (for sealed systems)
    Compatible with all mixed metal systems
    Neutralizer sachets included
  3.  
  4. To find out more details about the product. Have a look on the following instructions.