The FERNOX Express Inhibitor Test for Central & Water Underfloor Heating is a valuable accessory for boilers and heating systems. With 50 strips included, this tester from the trusted brand Fernox is designed to ensure proper functioning of central heating systems. Manufactured in the United Kingdom, the white tester strips are ideal for checking the inhibitor levels in any room, providing peace of mind for homeowners looking to maintain their heating systems efficiently.
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