Item Specifications: Max working pressure: 10 bar Temperature range: 35°C – 65°C. Maximum temperature: 85°C High flow rate – suitable for systems up to 300sqm Connection size: 28mm Connection type: Compression High flow rates offer superb temperature control and quick reaction to supply temperature changes Bastion 28mm Heatgaurd mixer is designed and suitable for water underfloor heating systems up to 14kw Adjustable between 35°C – 65°C heating controls water valve thermostatic mixing valve The valve comes with all 3 x 28mm compression connection on the inlet & outlet