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They manage system pressure as water expands during heating and prevent corrosion or contamination
NABIC Fig 500ST Installation
Product Code: XVES100020
Height: 364mm
Altecnic / Caleffi 253 Solar Series Pressure Safety Relief Valve Product Range
Altecnic / Caleffi Pressure Relief Valve - F0000243 - with Circlip Connection - 4.5 Bar 746 They manage system pressure asDescription 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 designed to protect domestic hot water cylinders and heating system componentsincluding the boilerby relieving excess pressure. Each valve is selected to match the systems required set pressure. As pressure builds and reaches the designated discharge point, the valve opens to release pressure to