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KalGUARD service and commissioning

Proven electrolytic scale inhibitor for commercial hot water systems.

KalGUARD Servicing includes:

  • an on-site visit from a Sentinel technician
  • system status assessment
  • system service
  • condition report/service certificate
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Training with Sentinel

On-site training
On-site training
College lecturer training
College lecturer training
Sentinel Academy
Sentinel Academy
Our training offerings

How to guides

Frequently viewed guides

How to: Identify if there is an issue with your JetFlush Rapid
How To: Check X100 Inhibitor Levels
How To: Control Corrosion in Central Heating Systems
How To: Choose the Right Central Heating Cleaning Chemical
How To: Diagnose the Cause of Circulation Issues in Central Heating Systems

How to & product Videos

Our product videos

About Sentinel

Sentinel is a company with a clear goal: we offer water treatment products and services that provide the best lifetime protection for heating and hot water systems. Originally launched in the UK by Grace Dearborn in 1988 and subsequently a subsidiary of the leading multinational General Electric, Sentinel has operated independently since 2005, expanding its international reach and range of innovative solutions. As of 2021, Sentinel is owned by Aalberts N.V., and sits in the hydronic flow control cluster.

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01928 704330
customer.services@sentinelprotects.com