Unboxing, reviewing, installing the Resideo Honeywell Home DT4R radio frequency room thermostat

Derek in this video installs the new  Resideo Honeywell Home DT4R room thermostat onto his combination boiler at home. Derek unboxes, reviews and installs the thermostat but remember you must be gas safe registered and qualified on boilers to do this yourself.

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• #resideo
• #honeywell
• #honeywell_home
• #dt4r_thermostat