Reverse-flow body allows vertical or horizontal flow or return mounting. Supplied with fast-acting liquid sensor. Sensing head with liquid sensor. Chrome reverse-flow 15mm angle valve. Positive OFF and FROST positions. Keymark approved to EN215. Warranty: 18 Months. Easy to fit and simple to control, the Drayton RT212 thermostatic radiator valve is a dependable choice for controlling individual room temperatures. The chrome valve and white sensing head ensures a smart appearance that looks great alongside your radiator. With six setting numbers as well as positive OFF position and 8degC frost protection, this 15mm angled TRV features a liquid sensor for faster response times. The reverse-flow body allows vertical or horizontal flow, or return mounting. Sensing head with fast-acting liquid sensor. Chrome reverse-flow 15mm angle valve. Positive OFF and FROST positions. Keymark-approved to EN215. 18-month manufacturer's warranty (T & Cs apply). Drayton RT212 TRV Chrome 15mm Angled with Lockshield Brass. Drayton's RT212 thermostatic radiator valves provide low cost control of individual room temperatures. The reverse flow body allows vertical or horizontal flow or return mounting. Now with fast-acting liquid sensor and chrome valve.