This 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
This 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