Horstmann Wireless Electronic Room Thermostat

The HRT4-ZW is designed to be easy to install in combination with an ASR-ZW receiver to provide excellent control of room temperature. This high quality Horstmann Thermostat consists of two parts - a receiver that requires a wired connection to your boiler, and a wirelss room thermostat that requires just 2 AAA batteries. 

• HRT4-ZW - Wireless Z-Wave electronic room thermostat and ASR-ZW receiver
• TPI energy saving software
• Compatible with most heating systems.
• Proven Z-Wave wireless technology.
• Features a constant RF status display with its receiver being mains powered with volt free contacts.
• Uses 2 AAA batteries
• Battery life in excess of two years