Screwfix Logo
Activating the button will move focus to the expanded search input field

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

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

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

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

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

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

Sentinel LS Rapid Dose Leak Sealer & Adaptor 300ml (7013V)

Product rating 4.9 stars out of 5
Product rating 4.9 stars out of 5
 
Sentinel LS Rapid Dose Leak Sealer & Adaptor 300ml
Click_Collect
  • 2 Year Guarantee
€24.65Inc Vat

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 InstaCheck Test Refill Bundle 100 Pack (539TJ)

Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
Sentinel InstaCheck Test Refill Bundle 100 Pack
Save16%
€160.95Inc Vat
Was €192.05

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 Strip Refill 50 Pack (495TJ)

Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
Sentinel InstaCheck Test Strip Refill 50 Pack
Save8%
€130.95Inc Vat
Was €142.75

Sentinel InstaCheck Water Quality Test Refill 50 Pack (855TJ)

Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
Sentinel InstaCheck Water Quality Test Refill 50 Pack
Save9%
€51.95Inc Vat
Was €57.65