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New
Fernox F2 Express Boiler Noise Silencer - 400ml
 
 
£18
£4.50 per 100ML

Excluding delivery

2 For £27
Sentinel X100 Inhibitor - 1L
 
 
£18
£1.80 per 100ML

Excluding delivery

Sentinel X800 Jetflo Fast Acting Central Heating System Cleaner - 1L
 
 
£19
£1.90 per 100ML

Excluding delivery

Sentinel X400 Heating System Cleaner - 1L
 
 
£19
£1.90 per 100ML

Excluding delivery

Fernox LS-X External Leak Sealer - 50ml
 
 
£7
£14 per 100ML

Excluding delivery

Fernox F1 Central Heating Protector & Inhibitor - 500ml
 
 
£21
£4.20 per 100ML

Excluding delivery

New
Fernox F4 Central Heating Leak Sealer - 500ml
 
 
£18
£3.60 per 100ML

Excluding delivery

Sentinel X300 Central Heating System Cleaner - 1L
 
 
£17
£1.70 per 100ML

Excluding delivery

Sentinel X200 Boiler Noise Reducer - 1L
 
 
£14
£1.40 per 100ML

Excluding delivery

Sentinel Central Heating System Internal Leak Sealer - 1L
 
 
£19
£1.90 per 100ML

Excluding delivery

New
Sentinel SESI15 Compression Electrolytic Scale Inhibitor - 15mm
 
 
£45
 

Excluding delivery

New
Fernox F3Central Heating Cleaner - 500ml
 
 
£24
£4.80 per 100ML

Excluding delivery

New
PRO Filter Kit with PRO Cleanser & Inhibitor - 22mm
 
 
£60
 

Excluding delivery

New
Sentinel X700 Biocide - 1L
 
 
£34
£3.40 per 100ML

Excluding delivery

New
Fernox F7 Biocide - 200ml
 
 
£34
£17 per 100ML

Excluding delivery

PRO PT10 Heating System Inhibitor - 500ml
 
 
From £7
 

Excluding delivery

New
PRO Electrolytic Inline Scale Reducer - Pack of 6
 
 
£120
 

Excluding delivery

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The ThermaSkirt Cleanser and Inhibitor Kit is designed to help prevent corrosion within the ThermaSkirt system. It is simply installed in-line in the 22mm pipework. The kit allows for multiple drain-downs and refills and is recommended to maintain the 10-year ...Read more
Liff Limebeater Compression Electrolytic Compact Scale Inhibitor
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PRO PT10 Heating System Inhibitor - 500ml
PRO Heating System Inhibitor Fluid is a chemical solution specifically designed to protect your central heating system from internal corrosion, limescale, and sludge buildup. It's a crucial component for longevity of your boiler, pipes, and radiators. Compatible with all metals, ...Read more