Sentinel SESI 15mm
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£ 22.99
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£ 49.99
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£ 38.52
£ 3.95
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£ 45.00
£ 5.00
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£ 59.32
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£ 61.27
£ 30.00
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£ 64.33
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Product description
- Replacement electrolytic scale inhibitor for whole-house systems – model SESI 15 (EAN 5011282050015) by Sentinel.
- Designed for 15 mm domestic pipework; installed on the rising main to reduce limescale build-up in boilers, heat exchangers, washing machines and other appliances.
- Environmentally friendly and maintenance-free: no batteries, no magnets, no chemicals required.
- WRAS approved for peace of mind and increased system longevity: helps maintain efficiency and reduce scale-related energy losses and appliance damage.
- Compact size for easy installation: approx. 195 mm length, suitable for standard 15 mm copper or plastic pipework.
- Ideal for use in homes with hard or moderately hard water; supports extended life of heat exchangers, boilers and hot water systems.
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