Viessmann pressure relief valve helps to control pressure build up within a heating system. It is set to proportionally react to increasing pressure in the system to prevent a dangerously high pressure build up within the system.
Supplied with fibre washers
Technical specification
Waist Sizeaa54ci38fwTypePressure Relief ValveSupplier Part Number7823511Brand NameViessmann
Reviews
Viessmann Pressure Relief Valve Fvitodens 200 Or Prv 7823511