3 Bar Pressure Relief Valve (PRV) – Designed to safely release excess pressure from the heating system when it exceeds 3 bar, helping protect the boiler and central heating system. Part Number 248056 – Direct replacement pressure relief valve commonly used across a range of Baxi, Potterton and Main boilers. Durable Brass Construction – Manufactured with a strong brass body for durability, corrosion resistance and long service life in domestic heating systems. Boiler Safety Component – Essential valve that helps maintain safe system pressure by automatically discharging water when pressure becomes too high. Direct Replacement Part – Designed to fit within the boiler hydraulic assembly, allowing straightforward replacement of worn or faulty PRVs. Central Heating System Protection – Helps prevent over-pressurisation which can lead to leaks, component damage or system shutdown. Widely Used in Combi Boilers – Commonly fitted in a wide range of Baxi, Potterton and Main combi and system boilers. Reliable Heating System Component – Engineered for consistent performance within modern domestic gas central heating systems.