ESI ESRTP8-G Cirrus Hard Wired OpenTherm Programmable Room Thermostat White Dark Grey

Part of ESI’s popular Series 8 Cirrus range, the ESRTP8-G offers flexible programming options, intuitive controls, and a clear backlit display, making it ideal for modern heating systems. With advanced features such as Optimum Start, Optimum Stop, Delayed Start, and Holiday Mode, the thermostat helps maintain comfortable room temperatures while avoiding unnecessary energy waste.

For added flexibility, the thermostat is Smart Ready, allowing it to be upgraded for remote control via the ESI Wi-Fi Hub (sold separately).

Key Features

• OpenTherm communication technology
• Hard-wired programmable room thermostat
• 7-day, 5/2-day, or 24-hour programming options
• Optimum Start, Optimum Stop and Delayed Start functions
• Holiday Mode for energy-saving operation when away
• Automatic Summer/Winter time adjustment
• Large backlit LCD display
• Selectable 4 or 6 daily heating events
• Smart Ready (compatible with ESI Wi-Fi Hub, sold separately)
• Landlord Service Reminder function
• ErP Class V energy rating
• Stylish white finish
• 3-year manufacturer’s warranty

Benefits

✅ Lower Energy Bills
OpenTherm technology modulates boiler performance to maximise efficiency and reduce unnecessary energy consumption.

✅ Improved Comfort
Advanced control algorithms help maintain a more consistent room temperature throughout the day.

✅ Flexible Scheduling
Choose between 7-day, 5/2-day or 24-hour programming to suit your lifestyle.

✅ Easy to Use
Simple controls and a clear backlit display make programming and adjustments quick and straightforward.

✅ Future-Proof Heating Control
Upgrade to smart heating control at any time by adding the ESI Wi-Fi Hub.

Technical Specifications

What’s in the Box?

• 1 x ESI ESRTP8-G Cirrus Wired OpenTherm Thermostat
• Wall mounting plate
• Fixing screws and installation hardware
• User and installation instructions