The EPH Smart Cylinder Thermostat offers an advanced, wireless solution for integrating your hot water cylinder into a Smart Radiator System, ensuring seamless control over your home's hot water zone. Designed for both new builds and retrofitting projects, it communicates effortlessly with the RF16 controller via RF frequency.

For optimal performance, pair it with the SEMTRV22B valve. Featuring a convenient boost function, you can extend heating for 30 minutes to 3 hours, perfect for those times when you need a little extra warmth. The thermostat boasts a 30-metre operating range, powered by included long-life AA Li-FeS2 batteries, and features a precise temperature sensor for adjustable comfort from 5C to 90C. With a lockable design for added security and a robust 5-year warranty, it combines reliability with cutting-edge technology in a sleek package.

• Smart cylinder thermostat for seamless hot water control
• Boost function: 30 min to 3-hour options
• Connects with RF16 controller for flexibility
• Secure, lockable design for setting protection
• RF communication range up to 30 metres
• Precise NTC10K temperature sensor
• Temperature range from 5C to 90C
• Comes with 2 AA Li-FeS2 batteries for long life