✅ Future-proofBuilt to keep working — even if the maker walks away.
It works locally over Z-Wave, so it keeps running even if Honeywell Home (Resideo) shuts down the app or the servers. Nothing here ties you to a single company's survival.
Works locally over Z-Wave — keeps running without the maker's cloud
Still in production
Based on how this device connects (local vs. cloud), whether it’s still sold and supported, and its app / subscription. A guide, not a guarantee.
Connectivity
Z-Wave
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Certified
The Honeywell T6 Pro Z-Wave Programmable Thermostat is a Z-Wave Plus certified, universal thermostat capable to control up to three heat and two cool stages of heat pump, (incl. dual fuel heat pump systems) and up to two heat and two cool stages of conventional system (3H/2C HP, 2H/2C Conv.) - 3 x AA battery or 24VAC powered - Easy wiring, easy configuration - Flexible local thermostat scheduling options - Attractive look, large Easy-To-Read touchscreen - Displays and reports ambient temperature and % Relative Indoor Humidity - Displays and reports HVAC system status, battery power status, Z-Wave signal status - Large amount of supported Z-Wave command classes - Remotely configurable via Z-Wave configuration command class - Advanced HVAC configuration parameters
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The Honeywell T6 Pro Z-Wave Programmable Thermostat is a Z-Wave Plus certified, universal thermostat capable to control up to three heat and two cool stages of heat pump, (incl. dual fuel heat pump systems) and up to two heat and two cool stages of conventional system (3H/2C HP, 2H/2C Conv.) - 3 x AA battery or 24VAC powered - Easy wiring, easy configuration - Flexible local thermostat scheduling options - Attractive look, large Easy-To-Read touchscreen - Displays and reports ambient temperature and % Relative Indoor Humidity - Displays and reports HVAC system status, battery power status, Z-Wave signal status - Large amount of supported Z-Wave command classes - Remotely configurable via Z-Wave configuration command class - Advanced HVAC configuration parameters
Hardware platform
ZM5202
Short description
Z-Wave Plus Programmable thermostat 3H/2C Heat pump or 2H/2C Conventional systems 3 x AA Battery or 24VAC powered Large Easy-To-Read Touchscreen Displays and report ambient temperature and % Relative indoor humidity
Product identifier
TH6320ZW2003
Countries / regions
United States of America
Certification number
ZC10-18046094
Radio range z wave (m)
40
Configuration parameters
Parameter Number Name Format Size Min Value Max Value Default Value Parameter Values Flag Advanced Description 4
Supports explorer frames
Yes
Supported command classes
Identifier Name Key Version COMMAND_CLASS_CONFIGURATION_V4
Supported multilevel sensors
Multilevel Sensor Type Air temperature
Supported notification types
Notification Type Event / State Power Management
Value heat cool auxiliary/emergency heat auto changeover energy save heat energy save cool battery quantity value 3 sensors value air temperature humidity supported notification types value power management battery type value aa color value white thermostat power source value battery external transformer thermostat hvac systems supported value heat only cool only single stage multi stage heat pump dual fuel association groups
Group Number Maximum Nodes Supported End Point ID Description 1
From to description 0 0 none 2 0 high efficiency gas 3 0 oil 4 0 electric 5 0 fan coil 6 0 air to air heat pump 7 0 geothermal heat pump 8 0 hot water 9 0 steam 1 0 standard gas 7 heat stages; aux/e stages 0 1 0 2 1 from to description 0 2 stages 8 aux/e control 2 1 0 1 0 from to description 1 0 either aux/e 0 0 both aux and e 41 daylight saving 2 1 0 1 1 from to description 0 0 off 1 0 on 2 temperature scale 2 1 0 1 0 from to description 0 0 fahrenheit 1 0 celsius yes 6 cool stages 0 1 0 2 1 from to description 0 2 stages 5 reversing valve 2 1 0 1 0 from to description 0 0 o/b on cool 1 0 o/b on heat 10 em heat type 2 1 0 1 0 from to description 0 0 electric 1 0 gas/oil 1 schedule type 2 1 0 4 2 from to description 1 0 every day the same 3 0 5 1 1 schedule 4 0 every day individual 2 0 5 2 schedule 0 0 no schedule/occupancy based schedule yes 3 outdoor temperature 2 1 0 1 0 from to description 0 0 no 1 0 wired 9 aux heat type 2 1 0 1 0 from to description 0 0 electric 1 0 gas/oil 11 fossil kit control 2 1 0 1 0 from to description 0 0 thermostat 1 0 external 42 temperature offset 0 1 3 3 0 from to description 3 3 degrees fahrenheit offset 3 = 3 deg fahrenheit 2 = 2 deg fahrenheit 1 = 1 deg fahrenheit 0 = off 1 = +1 deg fahrenheit 2 = +2 deg fahrenheit 3 = +3 deg fahrenheit 44 temperature resolution 0 1 0 1 0 0 = standard (1 degree fahrenheit granularity reporting) 1 = advanced (0.5 degree fahrenheit granularity reporting) texts
