Chemicals | Water Treatment & System Additives | Plumbing & Heating | MKM
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  • Instinct Corrosion Inhibitor 1L
    Corrosion Inhibitor 1 Litre A chemical inhibitor for new and existing central heating systems to prevent scale and corrosion. - Non ...
  • Sentinel CH System Jetflo X800 1L
    £19.80
    (per EA ex VAT)
    £23.76
    (inc VAT)
    Sentinel X800 Jetflo Ultimate Cleaner is a heavy duty cleaning formulation designed to remove corrosion deposits and scale from boiler heat ...
    £19.80
    (per EA ex VAT)
    £23.76
    (inc VAT)
  • Fernox Central Heating Protector F1 500ml
    £20.08
    (per EA ex VAT)
    £24.10
    (inc VAT)
    Protector F1 is the market leading inhibitor which protects against corrosion and limescale formation in domestic central heating systems. A...
    £20.08
    (per EA ex VAT)
    £24.10
    (inc VAT)
  • Fernox Central Heating Cleaner F3 500ml
    £18.82
    (per EA ex VAT)
    £22.58
    (inc VAT)
    Fernox Cleaner F3 is a quick and effective pH neutral cleaner for central heating systems. It is designed to remove all debris, sludge and s...
    £18.82
    (per EA ex VAT)
    £22.58
    (inc VAT)
  • Sentinel CH System Inhibitor x 100 1L
    £18.89
    (per EA ex VAT)
    £22.67
    (inc VAT)
    A general purpose treatment for total protection against scale and corrosion in all types of indirect central heating systems, including tho...
    £18.89
    (per EA ex VAT)
    £22.67
    (inc VAT)
  • Sentinel CH System Sludge Remover X400 1L
    £26.38
    (per EA ex VAT)
    £31.66
    (inc VAT)
    Specifically designed for existing systems Sentinel X400 System Restorer is a non-acid treatment for cleaning older heating systems, restori...
    £26.38
    (per EA ex VAT)
    £31.66
    (inc VAT)
  • Fernox Alphi-11 Anti-Freeze & Protector Combined 5L
    £59.77
    (per EA ex VAT)
    £71.72
    (inc VAT)
    Antifreeze Protector Alphi-11 is a combined antifreeze and inhibitor product, which provide protection against internal corrosion and limesc...
    £59.77
    (per EA ex VAT)
    £71.72
    (inc VAT)
  • Calmag Descaler 1L
    £8.62
    (per EA ex VAT)
    £10.34
    (inc VAT)
    1L powerful descaler which quickly dissolves limescale and corrosion deposits
    £8.62
    (per EA ex VAT)
    £10.34
    (inc VAT)
  • Saniflo Descaler 1085
    £22.50
    (per EA ex VAT)
    £27.00
    (inc VAT)
    Saniflo Descaler 5 Litres Specifically created for use with Saniflo® units, the cleanser is a concentrated solution for optimum cleanin...
    £22.50
    (per EA ex VAT)
    £27.00
    (inc VAT)
  • Sentinel CH System Internal Leak Sealer 1L
    £18.45
    (per EA ex VAT)
    £22.14
    (inc VAT)
    Sentinel Leak Sealer, which is added into the system, is ideal when weeping joints and small leaks don't warrant immediate repair. Senti...
    £18.45
    (per EA ex VAT)
    £22.14
    (inc VAT)
  • Sentinel CH System Inhibited Antifreeze X500 5L
    £45.20
    (per EA ex VAT)
    £54.24
    (inc VAT)
    Provides protection against scale and corrosion in all types of indirect heating systems, including those containing aluminium components, w...
    £45.20
    (per EA ex VAT)
    £54.24
    (inc VAT)
  • Fernox Central Heating Boiler Noise Silencer F2 500ml
    £34.83
    (per EA ex VAT)
    £41.80
    (inc VAT)
    Boiler Noise Silencer F2 is designed to reduce boiler noise and kettling which is a symptom of a scaled system. It is ideal for use with all...
    £34.83
    (per EA ex VAT)
    £41.80
    (inc VAT)
  • Fernox Central Heating Leak Sealer F4 500ml
    £33.70
    (per EA ex VAT)
    £40.44
    (inc VAT)
    Leak Sealer F4 is suitable to be used throughout a central heating system to seal small leaks and weeps which may cause pressure loss and bo...
    £33.70
    (per EA ex VAT)
    £40.44
    (inc VAT)
  • Fernox Central Heating External Leak Sealer LS-X 50ml
    £13.97
    (per EA ex VAT)
    £16.76
    (inc VAT)
    LS-X is a proven, fast acting, silicone paste which is used as an effective external leak sealer and jointing compound. It is designed for u...
    £13.97
    (per EA ex VAT)
    £16.76
    (inc VAT)
  • Sentinel CH System Noise Reducer X200 1L
    £23.77
    (per EA ex VAT)
    £28.52
    (inc VAT)
    Sentinel X200 is a non-acid product which has been formulated for the treatment of kettling in central heating boilers caused by limescale. ...
    £23.77
    (per EA ex VAT)
    £28.52
    (inc VAT)
  • Sentinel CH System Universal Cleaner X300 1L
    £19.26
    (per EA ex VAT)
    £23.11
    (inc VAT)
    Sentinel X300 System Cleaner is specifically designed for new central heating systems. It flushes out flux installation debris from new ind...
    £19.26
    (per EA ex VAT)
    £23.11
    (inc VAT)