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DT40GT21 DT4 Grey Wired Room Thermostat with On/Off

SKU: DT40GT21

Honeywell Home Logo - Red - Smaller

DT40GT21 DT4 Grey Wired Room Thermostat with On/Off

SKU: DT40GT21

Designed for installers. Made for users.

Designed for compatibility. Supporting greener energy systems. DT40 Room Thermostats On-Off bring together slim, modern design with simple functionality. Easy to use, with features that are easy to love, they offer everything you and your customers want and need – just like you imagined.

Product overview

The DT40 room thermostats provide room temperature control of heating systems for homes and apartments and bring together the slim, modern design with simple functionality, a large and clear LED segment display with an easy-to-use wake up button. The range has features that are easy to love, it offers everything you and your customers want and need.

The DT40 is compatible with both hybrid and greener energy systems and energy-efficient solutions including heat pumps, zoning and underfloor heating and cooling devices and also works with zone valve applications (note, not with electric heating /240 V).

  • DT40 and DT4M are compatible with 24-230 V On/Off appliances such as gas boilers, combi-boilers, and heat pumps
  • DT40 and DT4M are for wired on the wall installations
  • DT4M versions support OpenTherm® appliances, with versions available for both standard OpenTherm® and OpenTherm® Smart Power

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