Screwfix Logo
Activating the button will move focus to the expanded search input field
Results per page:

Sentinel X100 Central Heating Scale Inhibitor 1Ltr (79683)

Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
Sentinel X100 Central Heating Scale Inhibitor 1Ltr
Great Value Product
  • 2 Year Guarantee
  • Ensures Optimum Boiler Efficiency
  • Protects against Pin-Holing
Get this for €14.95-view details
Save24%
€18.95Inc Vat
Was €24.95

Fernox F1 Protector Central Heating Inhibitor 500ml (342PP)

Product rating 5 stars out of 5
Product rating 5 stars out of 5
 
Fernox F1 Protector Central Heating Inhibitor 500ml
Latest Offers
  • 2 Year Guarantee
Save20%
€19.95Inc Vat
Was €24.95

Flomasta Concentrated Central Heating Inhibited Antifreeze 5Ltr (4409R)

Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
Flomasta  Concentrated Central Heating Inhibited Antifreeze 5Ltr
Click_Collect
€53.45Inc Vat

Flomasta Central Heating Inhibitor 500ml (8197R)

Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
Flomasta  Central Heating Inhibitor 500ml
Trade Bulk Save
  • 2 Year Guarantee
Save18%
€8.15Inc Vat
Was €9.95

Fernox LS-X Leak Sealer 50ml (23614)

Product rating 4.5 stars out of 5
Product rating 4.5 stars out of 5
 
Fernox LS-X Leak Sealer 50ml
Great Value Product
  • 2 Year Guarantee
  • Suitable for Compression Joints & Screw Fittings
  • For External Use
€9.15Inc Vat

Sentinel X800 Central Heating System Cleaner 1Ltr (704PT)

Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
Sentinel X800 Central Heating System Cleaner 1Ltr
Click_Collect
  • Treats 100 Litres
  • Not Classified Under GHS/CLP Regulations
  • Works in Cold Systems
€26.15Inc Vat

Fernox F4 Central Heating Leak Sealer 500ml (766PP)

Product rating 4.7 stars out of 5
Product rating 4.7 stars out of 5
 
Fernox F4 Central Heating Leak Sealer 500ml
Latest Offers
  • 2 Year Guarantee
  • Fixes System Pressure Loss Quickly
  • Concentrated Fast-Acting Formula
Save5%
€18.95Inc Vat
Was €19.95

Sentinel X400 System Restorer 1Ltr (89458)

Product rating 4.6 stars out of 5
Product rating 4.6 stars out of 5
 
Sentinel X400 System Restorer 1Ltr
Click_Collect
  • Removes Sludge
  • Breaks Down Iron Oxide
€24.05Inc Vat

Fernox F3 Central Heating Cleaner 500ml (757PP)

Product rating 4.4 stars out of 5
Product rating 4.4 stars out of 5
 
Fernox F3 Central Heating Cleaner 500ml
Latest Offers
  • Treats 130 Litres
  • Neutral pH
  • Non-Hazardous & Non-Foaming
Save17%
€18.95Inc Vat
Was €22.95

Sentinel Internal Leak Sealer 1Ltr (99730)

Product rating 4.7 stars out of 5
Product rating 4.7 stars out of 5
 
Sentinel  Internal Leak Sealer 1Ltr
Great Value Product
  • 2 Year Guarantee
Save6%
€22.95Inc Vat
Was €24.65

Flomasta Central Heating Water Treatment Compliance Kit (6459V)

Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
Flomasta  Central Heating Water Treatment Compliance Kit
Great Value Product
  • 2 Year Manufacturer's Guarantee (T&Cs Apply)
€137.45Inc Vat

Flomasta Central Heating Inhibitor, Cleaner & Filling Kit 1Ltr 3 Pcs (1349J)

Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
Flomasta  Central Heating Inhibitor, Cleaner & Filling Kit 1Ltr 3 Pcs
Click_Collect
  • 2 Year Guarantee
€21.95Inc Vat

Flomasta Central Heating Leak Sealer 500ml (6774R)

Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
Flomasta  Central Heating Leak Sealer 500ml
Great Value Product
  • 2 Year Guarantee
€11.45Inc Vat

Flomasta Central Heating Cleaner 500ml (8506R)

Product rating 4.6 stars out of 5
Product rating 4.6 stars out of 5
 
Flomasta  Central Heating Cleaner 500ml
Great Value Product
  • Treats 100 Litres
  • Not Classified Under GHS/CLP Regulations
€12.55Inc Vat

Sentinel X200 Boiler Noise Reducer 1Ltr (43140)

Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
Sentinel X200 Boiler Noise Reducer 1Ltr
Click_Collect
  • Suitable for All Boiler Types
  • Restores Boiler Efficiency
  • Eliminates Kettling
Save6%
€21.45Inc Vat
Was €23.05

Flomasta Universal Filling Kit 5 Pcs (8145K)

Product rating 4.6 stars out of 5
Product rating 4.6 stars out of 5
 
Flomasta  Universal Filling Kit 5 Pcs
Great Value Product
  • 2 Year Guarantee
€6.25Inc Vat

Flomasta Central Heating Inhibitor 310ml (4792R)

Product rating 4.3 stars out of 5
Product rating 4.3 stars out of 5
 
Flomasta  Central Heating Inhibitor 310ml
Great Value Product
  • 2 Year Guarantee
€11.95Inc Vat

Sentinel X400 Rapid Dose System Restorer 300ml (9217V)

Product rating 4.3 stars out of 5
Product rating 4.3 stars out of 5
 
Sentinel X400 Rapid Dose System Restorer 300ml
Click_Collect
  • Treats 100 Litres
  • Non-Acidic
  • Non-Acidic Formulation
Save8%
€25.45Inc Vat
Was €27.75

Sentinel InstaCheck Test Kit (928TJ)

Product rating 1 stars out of 5
Product rating 1 stars out of 5
 
Sentinel InstaCheck Test Kit
€239.35Inc Vat

Sentinel X100 Rapid Dose Central Heating Scale Inhibitor 300ml (5058V)

Product rating 3.9 stars out of 5
Product rating 3.9 stars out of 5
 
Sentinel X100 Rapid Dose Central Heating Scale Inhibitor 300ml
Click_Collect
  • 2 Year Guarantee
  • Ideal for Domestic Central Heating Systems
Save26%
€23.45Inc Vat
Was €31.95
Results per page: