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Sentinel Chemicals




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.
Displaying products 1 - 14 of 14 results
Sentinel X100 Inhibitor - 1 Quart
Price: $25.04
Sentinel X100 Inhibitor - 1 Quart
Non-Toxic and Biodegradable
Protects closed loop hydronic heating systems From limescale & corrosion
Sentinel X400 System Restorer - 1 Quart
Price: $25.04
Sentinel X400 System Restorer - 1 Quart
For older closed loop hydronic heating systems
Sentinel X100 Inhibitor - 1 Tube
Price: $26.47
Sentinel X100 Inhibitor - 1 Tube
Non-Toxic and Biodegradable
Protects closed loop hydronic heating systems From limescale & corrosion
Sentinel X200 Noise Reducer - Quart
Price: $28.87
Sentinel X200 Noise Reducer - Quart
A non-acid, leave-in treatment for boiler noise
Sentinel X400 Restorer Rapid-Dose Aerosol
Price: $30.44
Sentinel X400 Restorer Rapid-Dose Aerosol
Restores systems suffering with circulation problems
Sentinel X100 Inhibitor Rapid Dose Aerosol
Price: $30.44
Sentinel X100 Inhibitor Rapid Dose Aerosol
Non-Toxic and Biodegradable
Protects closed loop hydronic heating systems From limescale & corrosion
Sentinel X200 Noise Reducer - Concentrate Tube
Price: $32.56
Sentinel X200 Noise Reducer - Concentrate Tube
A non-acid, leave-in treatment for boiler noise
Sentinel X500 Inhibited Antifreeze - 1 Gallon
Price: $33.63
Sentinel X500 Inhibited Antifreeze - 1 Gallon
Protection for closed loop hydronic heating systems against limescale, corrosion and freezing temperatures
Sentinel X200 Noise Reducer - Rapid Dose Aersol Can
Price: $36.08
Sentinel X200 Noise Reducer - Rapid Dose Aersol Can
A non-acid, leave-in treatment for boiler noise
Sentinel X100 Inhibitor - 1 Gallon
Price: $96.59
Sentinel X100 Inhibitor - 1 Gallon
Non-Toxic and Biodegradable
Protects closed loop hydronic heating systems From limescale & corrosion
Sentinel X400 System Restorer - 1 Gallon
Price: $96.59
Sentinel X400 System Restorer - 1 Gallon
For older closed loop hydronic heating systems
Sentinel X200 Noise Reducer - Gallon
Price: $118.80
Sentinel X200 Noise Reducer - Gallon
A non-acid, leave-in treatment for boiler noise
Sentinel X200 Noise Reducer - 5 Gallon
Price: $572.00
Sentinel X200 Noise Reducer - 5 Gallon
A non-acid, leave-in treatment for boiler noise
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