Toggle Nav
fast delivery
Faster Order Delivery
fast delivery
fast delivery
Click & Collect from Stores
fast delivery
PayPal Interest Free

Fernox F4 E Xpress Leak Sealer - 400ml

£30.52 £25.43
In stock
450 Available for Delivery
Select your local store for Stock Availability.
age verification

This product can only be sold to customers over 18 years of age and we will require your date of birth on your account at checkout.

+ -

Fernox F4 express leak sealer seeks out and seals most leaks and weeps in sealed systems without causing blockages or pump seizure  saving time and money on draining down and unnecessary repairs. It can be quickly and conveniently added via a radiator adaptor or the filling loop supplied.

  • Combats emergency leaks and system pressure loss
  • Simple to use with no mess
  • 100% recyclable can
  • 400ml can
  • Non-toxic, environmentally friendly formulation
Read more
Manufacturer
Fernox
MPN
62422
GTIN
5014551624221
Product Type
Leak Sealer
Weight (KG)
0.000000
Maintenance Use
Heating System Chemicals
System use
Leak stop
Manufacturers Warranty
1 Year (Subject to Manufacturers T&C's)
Customer Questions
No Questions
Please mind that only logged in users can submit questions.
No reviews have been left for this product yet. Please be the first to leave a review if you purchase.
Helpful tools
MRCH BTU calculator BTU Calculator
MRCH find an installer Find an Installer