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As the pressure rises
The NABIC 542F has been designed primarily for the protection of hot water boilers
This item is no longer available and has been replaced by CPT15 - PTEM540020
The Valfonta PRV44 is a self-actuating steam pressure reducing valve for use on liquids and gases such as steam
Altecnic / Caleffi 309 Series - 309400CST - Pressure & Temperature Relief Valve 1/2" 90°C 10 Bar slkl-h As the pressure risesDescription 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 controls and limits the temperature and pressure of the hot water contained in a domestic storage heater and prevents it from being able to reach temperatures of over 100C, with the formation of steam. On reaching the settings, the valve discharges a sufficient amount of water