Sentinel - part of Aalberts hydronic flow control

Global water treatment experts for 30+ years; helping you clean, protect & maintain heating and hot water systems 💧🔥🔧 📸 sentinel_uk_insta

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Defence wins championships. ⚽

The same is true for heating systems.

Once a system is clean, protecting it against corrosion and limescale is what helps keep it performing throughout the heating season.

#HeatingEngineer #CentralHeating #BoilerService #WaterTreatment

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Rainbow over the Sentinel office this afternoon. 🌈

Summer's on its way out, the rain's back, and heating season is closer than anyone's ready for.

They say there's treasure at the end of the rainbow. Turns out they were right! Swipe and see. →

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Hands up if it’s raining where you are… 🙋‍♂️🌧️

The heatwave is over! If sludge is lurking in the system, it pays to deal with it before the heating goes back on. Bring in the big guns. JetFlush Rapid+. tackle stubborn debris and get systems cleaned.

#HeatingSeason

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Every winning season starts on the training ground. Our X800 gets to work in as little as one hour, helping remove sludge and debris so systems are ready for the season ahead.

#CleanProtectMaintain #HeatingEngineers #WaterTreatment #SystemMaintenance

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Some results are more predictable than others...

#ALevelResults #ResultsDay #X100 #InstaDose #Sentinel

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Look up this evening , the sun's taking two minutes off... X100 stays working the other 525,598 minutes of the year.

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

We’re well into boiler servicing season, when working efficiently and having the right kit to hand really matters.

What’s the one tool or product you couldn’t be without during a service?

Let us know. 👇

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

The biggest football tournament may be over. Our season is just getting started. ⚽

Championships aren’t won on match day, they’re built in pre-season. The same goes for heating systems.

#HeatingEngineer #CentralHeating #BoilerService

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Corrosion doesn’t wait for the first breakdown.

It often starts long before there’s any visible sign of a problem.

That’s why adding inhibitor shouldn’t be viewed as an optional extra.

#HeatingEngineers #CentralHeating #BoilerService

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Proving water quality doesn’t have to mean sending samples away and waiting for results.

With the Sentinel InstaCheck app and test kit, you can test heating system water and generate a professional report for your customer, all from your smart phone.

#WaterTreatment

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Did you know Sentinel has been nominated across two categories at the ASCP UK 2026 Safety & Compliance Awards?

Thank you to everyone across both partnerships who helped get us here.

#ASCPAwards #SocialHousing #WaterQuality #Sentinel #Aalbertshydronicflowcontrol

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Simply circulating water won’t remove years of sludge, corrosion debris and magnetite that can restrict flow, create cold spots and reduce heating efficiency. Use a powerflush to go further.

#Powerflush #HeatingEngineer #SystemProtection

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Your heat pump is only as good as the water inside it.

Heat pumps rely on efficient heat transfer to perform at their best.

That’s why effective filtration is essential from day one.

#HeatPumps #HeatingEngineer #WaterTreatment

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

World Cup fever has hit the Sentinel office! ⚽

#WorldCup2026 #ItsComingHome #Sentinel

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

The original yellow X100. Now comes in a pouch.

A new, more convenient format designed to make life easier on the job.

Original protection. New convenience.

#SentinelX100 #HeatingSystemProtection #HeatingEngineer

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Dosing in tight spaces? Sorted.

The new X100 InstaDose and its flexible filling adaptor make light work of even the most awkward installs.

See for yourself 👇

#Sentinel #HeatingEngineer #PlumbingTips #Inhibitor #Installer

@phpi

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Jane is thrilled to announce that we have been shortlisted for two awards at the @ASCP_UK 2026 Safety & Compliance Awards!

#ASCP26 #HousingSafety #SafetyAndCompliance #Sentinel #CleanProtectMaintain

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

InstallerSHOW 2026: a standout few days for our team.

Here’s a look back at some of our highlights.

Thank you for making it one to remember.

#InstallerSHOW2026 #sentinel #CleanProtectMaintain

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

That’s a wrap on InstallerSHOW 2026.

A huge thank you to everyone who visited our stand this week, it was great to catch up.

See you at the next one!

#InstallerSHOW2026 #InstallerSHOW #SentinelProtects #Flamco #HeatingIndustry

[Sentinel - part of Aalberts hydronic flow control @SentinelHQ]

Want to see our products in action? 👀

Archie is running product demos at Stand 5F35, taking you through everything from the X100 inhibitor to our Vortex range.

Pop by and watch for yourself.

#InstallerSHOW2026 #Sentinel #X100 #VortexFilters