Inta’s unvented group set has been specifically designed to control the pressure to unvented hot water systems. The set provides the essential components including a check valve, non- adjustable Pressure Reducing Valve (PRV) set to 3 bar and a Safety Relief Valve (SRV) factory set to 6 bar. The 300 micron filter can be removed for cleaning and re-installed.

• PRV factory set to 3 bar
• Integral check valve
• SRV factory set to 6 bar (21822200 – 4.75 bar)
• Available with or without expansion vessel connection
• Range of connection sizes to available
• Conforms to BS EN 1567 

Specifications:

Size: 22mm inlet, 22mm outlet, 22mm balanced pressure, 15mm discharge

• Connections: Copper x Copper Compression
• Pressure Reducing: 3 Bar
• Pressure Relief: 6 Bar
• Maximum Working Pressure: 65°C
• Maximum Inlet Pressure: 12 Bar
• Maximum Inlet Pressure: 12 Bar