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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Suitable for temperatures from 0°C to 110°C
Synthetic bonnet
Their replaceable membrane keeps the water clean and makes upkeep quick and easy
British Gas/BSI certified
Product Code: XVES050020
Altecnic / Caleffi 311 Series Safety Relief Valve 3/4" x 3/4" F x F 3 Bar - 311530 716 Suitable for temperatures from 0°CDescription This is a stock item. Order by 5pm Monday to Thursday and 4. 30pm Friday for same day despatch. The Altecnic Caleffi series 311 and 312 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