This product is the Honeywell Home T4M Wired OpenTherm Thermostat. Hard wired open therm programmable room stat.

Honeywell T4M 7 Day Programmable Modulating OpenTherm Thermostat T4H310A3032. The Honeywell T4M OpenTherm Thermostat is a wired thermostat and features Load Compensation & Optimisation as standard. The Honeywell T4M works exceptionally well with the full range of Intergas boilers & can be used as a Weather Compensation thermostat when the boiler is fitted with an external sensor. The Honeywell T4/T4M/T4R are designed to provide automatic time and temperature control of heating in domestic or light commercial premises.

The T4M model is compatible with OpenTherm(R) appliances, wired on the wall installations. Also works with zone applications but not with electric heating (240V). The solution is designed with the installer in mind and includes a Receiver module with mounting options for directly on the wall or on a wall box. Wiring can be from below or from the back by lifting the terminal platform, which makes installation quick and easy. The thermostat has a large and clear fix segment Display with backlight, simple programming philosophy all to make it easier to install and very user friendly. The T4 product line is ideal for consumers who want to control their comfort remotely with a modern design, simple to program and easy to use product.

The T4M features are:

Main product features:

• 2 wire simple install
• boiler report alerts on interface
• AA batteries not required
• Temperature setpoint range: 5-35°C
• Automatic time clock adjustment for Daylight Saving Time