Heating water test kits

Test kits for checking central heating inhibitor levels. Prices are from BES, a UK shop, in GBP including VAT, as seen on 2026-11-10; they are not US or Canadian prices. Check local suitability and delivery before buying.

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  Sentinel

  Sentinel X100 Central Heating Test Kit

  £22.72

  Price as of November 10, 2026 at bes.co.uk

  View at bes.co.uk

Published by Boiler Pros. How we check each heating contractor.