Drayton’s brand new Auto-Balancing TRV4 combines the classic Drayton TRV4 design with a new innovate liquid sensor and auto-balancing technology.

• Reduces energy use by 8.8%
• Saves installation time – radiator flow rate is quickly and easily set when fitting the valve
• Automatically adjusts based on system pressure changes (i.e. TRV’s opening and closing)
• Constantly maintains the correct flow rate to each radiator
• Correct system balancing ensures lower return temperatures – aids boiler condensing and improves efficiency
• Eliminates cold spots around the home
• Use the new Drayton balancing key to adjust the valve setting