ESI ESRTERFW Wireless Electronic Room Thermostat, With LCD Display

The ESI ESRTERFW is a wireless electronic room thermostat with LCD display, designed to outperform older mechanical units and deliver energy savings of up to 10%. It features TPI (chronoproportional) control to prevent unnecessary boiler firing, electronic sensing for superior accuracy, and wireless RF connectivity for straightforward installation without disrupting décor.

Key Features

• TPI Technology to stop unnecessary use of gas saving money for homeowners
• Electronic internals to increase accuracy and maximising energy efficiency
• Easy fit back plate allowing replacement of older style thermostats with no additional wiring required
• Wireless RF connectivity for ease of installation without disruption to décor
• Simple & familiar to use with a digital display of room / set temperature
• 3-year warranty for complete peace of mind

Specifications

• Power supply (thermostat): 2 x AA batteries
• Temperature range: 5°C to 30°C
• Switch rating: 3(1)A 230VAC SPDT
• Dimensions (thermostat): 85mm x 85mm x 35mm
• RF receiver power: 230VAC
• RF receiver contact rating: 6(2)A 230VAC SPDT volt-free

Applications

Ideal for controlling gas, oil or electric central heating systems in residential properties. Suitable for new installations or replacing existing room thermostats.

What’s in the box

Wireless room thermostat, RF receiver, backplates, batteries, fixing screws and instructions.