Category
Other Home Plumbing & Fixtures
Store
eBay
Brand
Fernox
Fernox 56603 F4 Central Heating Leak Sealer Internal 500ML Fernox leak sealer F4 liquid is an ideal solution for reducing pressure loss from sealed systems. Leak Sealer F4 works best in warm/hot circulating water and once evenly dispersed will usually be effective within 1 - 24 hours.
21.99 GBP
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