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Sentinel combi guard 15 mm
Product Code: 608145
The Sentinel CombiGuard unit provides protection for domestic hot water systems from the effects of scale deposition. It works by proportionally blending a minute amount of polyphosphate into the system water. The polyphosphate suspends the hardness salts thus preventing them from forming scale. The effect is permanent and therefore storage tanks, cylinders, etc. can all be effectively treated. The polyphosphate ingredient is totally safe for use in domestic supply water.
- Uses a food grade polyphosphate, completely safe to drink
- Prevents the formation of limescale in central heating systems
- Can be used to protect an entire heating system or a single appliance
- Cartridges last for 12 months.