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.

Find out more

X100 Inhibitor

Protect
Vortex250 magnet

Eliminator Vortex250

Protect
1 Litre Sentinel X800 Fast Acting Cleaner

X800 Cleaner

Clean
Sentinel Eliminator Vortex 500 GRP T-piece

Eliminator Vortex®

Protect

X400 Cleaner

Clean

SystemCare

Clean
1 Litre Sentinel X200 Noise Reducer

X200 Noise Reducer

Maintain
1L Sentinel X700 Biocide

X700 Biocide

Protect
Condensafe+

Condensafe+

Maintain
Sentinel X100 Quick Test Kit front

X100 Quick Test Kit

Maintain
1 Litre Sentinel X300 Cleaner for New Systems

X300 Cleaner for New Systems

Clean
5 Litre Sentinel X500 Inhibited Antifreeze

X500 Inhibited Antifreeze

Protect

Condensafe+ Refill

Maintain
Sentinel JetFlush Rapid

JetFlush Rapid®

Clean
Sentinel Dosing Vessel

Dosing Vessel

Maintain
SystemCheck

SystemCheck

Maintain

Leak Sealer

Maintain
Sentinel Dosing Adaptor

Sentinel Dosing Adaptor

Maintain
Turbidity Tube

Turbidity Tube

Clean
Sentinel Nail in Jar demo unit

Sentinel Nail-in-Jar Demo Unit

Maintain
Partner Toolbox

Sentinel Partner Toolbox

Maintain
Sentinel JetFlush Test Kit

JetFlush Test Kit

Clean
5 Litre Sentinel Deposit Remover

Deposit Remover

Clean
500ml Sentinel X900 Filter Aid

X900 Filter Aid

Protect