
Specifications
- Reference
- VM-20026265
- EAN code
- 5014551624221
About this product
Fernox. Leak Sealer F4 Express 400ml. Le Fernox Leak Sealer F4 Express est utilisé dans les circuits de heating domestiques for étanchéiser les petites fuites inaccessibles. Le Leak Sealer F4 Express fonctionne mieux dans de l'hot water qui circule. Une fois réperti dans le circuit, il est efficace dans un délai compris entre une et 24 heures. La formule d'étanchéisation du Leak Sealer F4 Express permet d'éviter le colmatage des dispositifs de sécuritee, des pumps, etc. for une protection durable contre la corrosion et le tartre, nous recommandons de nettoyer les circuits with du Fernox Cleaner F5 Express et de les inhiber with du Fernox Protector F1 Express.
Delivery and returns
Free delivery in Belgium
Shipping in 3-6 working days when in stock
14-day right of return
Free delivery in Belgium for standard parcels. Delivered in 3-6 working days when in stock. Manufacturer warranty according to the product.
Manufacturer warranty
2 year manufacturer warranty
Minimum 2-year manufacturer warranty + Valtieri after-sales included
Secure payment
VAT invoice with every order
incl. 21% VAT · excl. 21% VAT
You may also like


Grh 12693 S-COUPL.1/2MX3/4M+ROZ
Ref. VM-20016292
JU 87054061890 WW WR400T2
Ref. VM-20042026
VM pur. binnenw.90m vr 285241
Ref. VM-20005720
Schütz Varimatic Smart Gateway
Ref. VM-20072305
VMO walk in sealing muurprof.
Ref. VM-20005690
Enph wheel.connect.set 1F/1M
Ref. VM-20041486
Neoperl flow straightener M24x1 class A chrome-plated
Ref. VM-20016401
Fiberring 17X24X2.0-3/4-100ST
Ref. VM-20039537
DEL 743010 pattern tempost.wt
Ref. VM-20016944
Grh 46345 Montageset M26X1.5
Ref. VM-20029632
Wiwa kon set XR40/60A GA8620
Ref. VM-20041184
Fernox Cleaner F3 micro-concentrate cleaning agent pH neutral 500ml
Ref. VM-20026252
Fernox Protector F1 Express corrosion and limescale build-up pH 8,1 SG 1,18 400ml
Ref. VM-20026263
Fernox Cleaner F3 Express cleaning agent central heating 400ml
Ref. VM-20026264
Fernox TF1 Sigma filter 3/4"
Ref. VM-20058976
Fernox FD1 Top 0,7 fill cartridge demin. fixed
Ref. VM-20073946
Fernox TF1 Compact Filter 22mm with protector filter fluid F9 265ml
Ref. VM-20071937
Fernox TF1 Omega filter 3/4"
Ref. VM-20026274
Fernox TF1 Total Filter 22mm with protector and filter fluid F9 265ml
Ref. VM-20071939
Fernox F9 filter fluid+protector with magnetic filter dispersant 500ml
Ref. VM-20026255
Fernox DS40 descaler & cleaner 1,5 kg red powder system neutraliser 500ml
Ref. VM-20026256
Fernox TF1 Compact 3/4inch F9 FV + free Express Inhibitor Test
Ref. VM-20071982Frnx System health check
Ref. VM-20026257Also see

Dirt filter TF1 Total fernox+prot+fluid 3/4"
Ref. D-138557
Magnetic filter for CH circulation pump powerflow
Ref. D-162128
CH flushing pump mkiii powerflow
Ref. D-162127PROTECTOR TESTKIT (50 STRIPS) FERNOX
Ref. D-191224
