Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 1/2" 90°C 7 Bar - 309473CST pushfit x female • High quality range

• High quality range

non-sticky liquids

They can also be used for

• Suitable for use on Group 2 Gas

250W Double Check Valve

Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 1/2" 90°C 7 Bar - 309473CST pushfit x female • High quality rangeDescription This is a stock item. Order by 5pm Monday to Thursday and 4. 30pm Friday for same day despatch. The Altecnic Caleffi Series 309 Temperature & Pressure Relief Valve is designed to regulate and limit the temperature and pressure within domestic hot water storage heaters. It prevents the water from exceeding 100C and forming steam. When the pre set limits are reached, the valve safely discharges water into the atmosphere to restore pressure