The Everbuild P14 Central Heating System Inhibitor is a multi-purpose treatment designed to protect your entire central heating system from scale, sludge and corrosion. Formerly known as PROTEX by Purimachos, this inhibitor delivers comprehensive protection for both new and existing installations, making it an essential treatment for plumbers and heating engineers. This WRAS approved formulation meets BuildCert Performance Standards and is fully compatible with all metals commonly used in central heating systems, including iron, copper, steel, brass and aluminium. The mineral oil-free formula ensures safe use with plastic and fibreglass header tanks, whilst also being suitable for microbore systems constructed from plastic pipes. Ideal for treating new central heating installations, servicing existing systems, or protecting extensions to current setups, the P14 System Inhibitor provides reliable long-term protection. Its compatibility with all Everbuild central heating products makes i