Skip to content
Need Help
Screwfix Logo
Activating the button will move focus to the expanded search input field
StoresSelect a store
No items in basketCheckout
FREE DELIVERY on orders over €50
FREE DELIVERY on orders over €5044 STORES NATIONWIDE find your local storeCLICK & COLLECT in as little as 1 minuteDELIVERY IN 60 MINUTES OR LESS with Sprint
NEW JUNE DEALS. SHOP NOW

Adey MC3 Central Heating System Cleaner 500ml (748KJ)

Adey MC3 Central Heating System Cleaner 500ml
Product rating 3 stars out of 5
Product rating 3 stars out of 5
 
  • Treats 100 Litres
  • Neutral pH
€21.45Inc Vat
Check stock in your local store
Fulfilment options

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

Fernox F4 Central Heating Leak Sealer 500ml
Great Value Product
Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
  • 2 Year Guarantee
  • Fixes System Pressure Loss Quickly
  • Concentrated Fast-Acting Formula
€19.45Inc Vat
Check stock in your local store
Fulfilment options

Flomasta Central Heating Inhibitor 500ml (8197R)

Flomasta Central Heating Inhibitor 500ml
Low Price Checked
Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
  • 2 Year Guarantee
€9.15Inc Vat
Check stock in your local store
Fulfilment options

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

Fernox F1 Protector Central Heating Inhibitor 500ml
Low Price Checked
Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
  • 2 Year Guarantee
€31.35Inc Vat
Check stock in your local store
Fulfilment options

Adey MC1 Central Heating System Protector 500ml (359KJ)

Adey MC1 Central Heating System Protector 500ml
Great Value Product
Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
  • 2 Year Guarantee
  • Protects against Corrosion & Scale
  • Maintains Heating Efficiency
Save10%
€22.45Inc Vat
Was €24.95
Check stock in your local store
Fulfilment options

Flomasta Central Heating Leak Sealer 500ml (6774R)

Flomasta Central Heating Leak Sealer 500ml
Great Value Product
Product rating 4.8 stars out of 5
Product rating 4.8 stars out of 5
 
  • 2 Year Guarantee
€9.55Inc Vat
Check stock in your local store
Fulfilment options

Flomasta Central Heating Cleaner 500ml (8506R)

Flomasta Central Heating Cleaner 500ml
Great Value Product
Product rating 4.7 stars out of 5
Product rating 4.7 stars out of 5
 
  • Treats 100 Litres
  • Not Classified Under GHS/CLP Regulations
€13.75Inc Vat
Check stock in your local store
Fulfilment options

Fernox F3 Central Heating Cleaner 500ml (757PP)

Fernox F3 Central Heating Cleaner 500ml
Great Value Product
Product rating 4.5 stars out of 5
Product rating 4.5 stars out of 5
 
  • Treats 130 Litres
  • Neutral pH
  • Non-Hazardous & Non-Foaming
€24.95Inc Vat
Check stock in your local store
Fulfilment options

Flomasta Central Heating Noise Reducer / Silencer 500ml (9456R)

Flomasta Central Heating Noise Reducer / Silencer 500ml
Great Value Product
Product rating 4.2 stars out of 5
Product rating 4.2 stars out of 5
 
  • Suitable for Central Heating Systems
  • Quietens Boiler Heat Exchanger
  • Improves Heat Transfer Efficiency
€7.55Inc Vat
Check stock in your local store
Fulfilment options

Adey MC5 RapidFlush Central Heating System Cleaner 500ml (414HA)

Adey MC5 RapidFlush Central Heating System Cleaner 500ml
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Treats 100 Litres
  • Neutral pH
  • Suitable ​for all Heating Systems
Save16%
€28.95Inc Vat
Was €34.65
Check stock in your local store
Fulfilment options