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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
1/2" x 2" (DN40)
Primarily used in injection or other circuits requiring a double regulating valve for system
Discharge Rating: 25 kW
• 32 bar from -10 to 120ºC
- Ductile Iron Body
Altecnic / Caleffi 309 Series Pressure & Temperature Relief Valve 1/2" 90°C 7 Bar - 309473CST 7 barg 1/2" x 2" (DN40)Description 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
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