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With Reliance Valves Aquasystem Expansion Vessels
The NABIC 500 spares kit contains a new diaphragm and 'O' rings which replaces all of the soft goods in the valve
Chrome Alloy spring
- Diaphragm design gives improved resistance against scale
Typically for use on positive displacement pumps
Altecnic / Caleffi Pressure Relief Valve with Circlip Connection 6 Bar - F0000412 60 litre With Reliance Valves Aquasystem ExpansionDescription This is a stock item. Order by 5pm Monday to Thursday and 4. 30pm Friday for same day despatch. Altecnic Caleffi safety relief valves are used in domestic hot water systems to protect the hot water cylinder and in heating systems to protect boiler and other components. The valve is selected for the required set pressure. As the pressure rises, when the discharge pressure is reached the valve opens and discharges to atmosphere, preventing