Our mission is to make best practice solutions simple. To achieve optimum performance and reliability for domestic central heating systems, follow our best practice process of clean, protect and maintain whether you’re commissioning a new system or revitalising an old one. The benefits of adhering to this best practice include improved performance, increased energy savings, and longer system life. 

FACT: A cleaned and protected central heating system can be typically 15% more effective than a dirty one, and new systems can be fouled just like old ones.


The Sentinel System: Clean, Protect, Maintain

Best practice, best solution.

Lifetime protection for heating and hot water systems with the best practice process of Clean, Protect, Maintain.

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X100 Inhibitor

Protect
1 Litre Sentinel X200 Noise Reducer

X200 Noise Reducer

Maintain
1 Litre Sentinel X300 Cleaner for New Systems

X300 Cleaner for New Systems

Clean

X400 Cleaner

Clean
5 Litre Sentinel X500 Inhibited Antifreeze

X500 Inhibited Antifreeze

Protect
1L Sentinel X700 Biocide

X700 Biocide

Protect
1 Litre Sentinel X800 Fast Acting Cleaner

X800 Cleaner

Clean
500ml Sentinel X900 Filter Aid

X900 Filter Aid

Protect

Leak Sealer

Maintain
Sentinel InstaCheck Engineers Test Kit, showing all products

InstaCheck Water Testing App

Maintain
Vortex250 magnet

Eliminator Vortex250

Protect
Sentinel Eliminator Vortex 300 brass T-piece with valves

Eliminator Vortex®

Protect
Condensafe+

Condensafe+

Maintain

Condensafe+ Refill

Maintain
Sentinel Dosing Vessel

Dosing Vessel

Maintain

Eliminator Vortex250 Brass

Protect
Sentinel JetFlush Rapid

JetFlush Rapid®

Clean
Sentinel JetFlush Test Kit

JetFlush Test Kit

Clean
Sentinel Dosing Adaptor

Sentinel Dosing Adaptor

Maintain

Sentinel Eliminator Vortex® 700

Protect
Sentinel Nail in Jar demo unit

Sentinel Nail-in-Jar Demo Unit

Maintain
Partner Toolbox

Sentinel Partner Toolbox

Maintain

SystemCare

Clean
SystemCheck

SystemCheck

Maintain
Turbidity Tube

Turbidity Tube

Clean
Sentinel X100 Quick Test Kit front

X100 Quick Test Kit

Maintain