This one piece inlet control incorporates several different control devices in one. It is specifically designed for use on an unvented system to control the incoming water supply to a hot water cylinder. It includes: a ‘droptight’ pressure reducing valve, meaning the valve will hold at the pre-set pressure regardless of whether under flow or no flow conditions and regardless of fluctuating inlet pressures.
It also incorporates a single check valve which will protect the system against backflow prevention up to fluid category 2, and a pre-set expansion relief valve which will prevent overpressurisation. The expansion relief valve is designed so it can rotate, to allow the discharge connection to be fitted in various directions making installation easier.
A connection for a balanced cold water take off allows the user to connect a cold water feed direct from the inlet control valve.
Features and Benefits
• Integral strainer
• Balanced cold water take off connection on some models
• Superior flow rates
• ‘Droptight’ pressure reducing cartridge
• Prevents overpressurisation
• Single check valve
• Dedicated expansion vessel connection on some models
• Rotating expansion relief valve
Maximum working pressure: 16.0 bar
Maximum temperature: 45°C
Pressure reduction ratio: 10:1
Max Connection size: 22mm
Standards and Approvals
• WRAS Approved
• BSEN 1567-PRV
• BSEN 13959-SCV
• BSEN 1491-ERV