Fernox LS-X Leak Sealer 50ml - 61016

Fernox LS-X Leak Sealer 50ml - 61016

2 reviews

£7.04 (Inc. VAT)

Last Few Remaining


Plumbworld has the lowest price for this product!


Free Delivery Product Page

This handy little tube is the perfect way to create an external seal to prevent against leakages in your boiler and central heating system.

Fernox Leak Sealer LS-X is a 50ml silicone paste used as a sealant and jointing compound on combi and other low water content boilers. Suitable for compression joints and screw fittings, the treatment will last for approximately five years – helping to add life to your boiler and minimise the risk of leakage.

So add a bit of peace of mind that your central heating system isn’t going to experience any costly leaks, by adding Fernox’s Leak Sealer LS-X into your system today.

Product information:

  • 50ml silicone paste
  • Complete leak sealing and jointing compound
  • Suitable for compression joints and screw fittings
  • For external use
  • Safe for use with combi and low water content boilers
  • Will not block valves or vents
  • WRAS approved
CE Approved

Fernox LS-X Leak Sealer 50ml - 61016

£7.04 (Inc. VAT)

Last Few Remaining

Parcel Shipping - Free

Delivery to your home, 6 days a week with a next-day option for orders placed before 3:00pm.

All our parcel deliveries are FREE

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

Lowest Price Guaranteed
Plumbworld £7.04
Sandal Garden Centre £8.74
Canberra Supplies £8.74
Screwfix.com £10.75
B&Q £10.75
Wolseley £14.69

Prices last checked on 19/02/2020
All prices are inc VAT and include delivery charges

Price Guaranteed For

2 Product Reviews

  • Chris no longer frustrated
    5/ 5

    New kitchen annoying leak in cold supply joints desplte changing fittings etc etc still leak then was reccomended to try this plumber used it and leaks gone

  • jay
    5/ 5

    Best stuff around and best price by far