✅ Future-proofBuilt to keep working — even if the maker walks away.
It works locally over Z-Wave, so it keeps running even if Heatit controls 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
Heatit Z-TRM2fx is equipped with a single pole switch and it fits most System 55 frames (Elko RS16, Schneider Exxact, Gira, Jung etc.). The thermostat can withstand a load of max 13A /2900W at 230V. At higher loads the thermostat must control a contactor. The thermostat may be connected to two wired external sensors. The thermostat has the capacity of up to 8 associations (relays, wall plugs etc.). The thermostat is designed for electrical heating. FEATURES Floor sensor External room sensor Temperature limiter Weekly program/setback via gateway or pilot wire Multilevel sensor command class Firmware updates (OTA) Power metering LED-diode Can be used in connection with different NTC-sensors Lock mode/child lock Calibration 8 associations Supports encryption mode: S0, S2 Authenticated Class, S2 Unauthenticated Class
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Heatit Z-TRM2fx is equipped with a single pole switch and it fits most System 55 frames (Elko RS16, Schneider Exxact, Gira, Jung etc.). The thermostat can withstand a load of max 13A /2900W at 230V. At higher loads the thermostat must control a contactor. The thermostat may be connected to two wired external sensors. The thermostat has the capacity of up to 8 associations (relays, wall plugs etc.). The thermostat is designed for electrical heating. FEATURES Floor sensor External room sensor Temperature limiter Weekly program/setback via gateway or pilot wire Multilevel sensor command class Firmware updates (OTA) Power metering LED-diode Can be used in connection with different NTC-sensors Lock mode/child lock Calibration 8 associations Supports encryption mode: S0, S2 Authenticated Class, S2 Unauthenticated Class
Hardware platform
ZM5101
Short description
Heatit Z-TRM2fx is an electronic thermostat for electrical floor heating. The thermostat has a built-in Z-Wave chip that can be connected with Home Automation systems like Fibaro, Futurehome, Smarthings, Homeseer, Zipato etc.
Product identifier
Z-TRM2fx
Countries / regions
European Union
Certification number
ZC10-18116305
Radio range z wave (m)
40
Configuration parameters
Parameter Number Name Description Format Size Min Value Max Value Default Value Parameter Values 1
Supports explorer frames
Yes
Supported command classes
Identifier Name Key Version COMMAND_CLASS_FIRMWARE_UPDATE_MD_V4
Controlled command classes
Identifier Name Key Version COMMAND_CLASS_SENSOR_MULTILEVEL_V5
Supported multilevel sensors
Multilevel Sensor Type Air temperature
Supported notification types
Notification Type Event / State Heat Alarm
Supported / controlled meter types
Meter Type Rate Type Description Electric meter
Value updatable by consumer by rf ip (ingress protection) rated switch load capacity current value 13 a switch load capacity watts value 2900 w neutral wire required sensors value heat voltage water temperature target temperature thermostat hvac systems supported value simple relay heat only cool only thermostat modes value heat cool auto energy save heat away thermostat power source value mains powered (120 v/240 v) supported meter type value electric energy supported notification types value heat alarm color value white association groups
Group Number Maximum Nodes Supported End Point ID Description 1
From to description 0 0 off. (default) 2 0 cooling mode (not implemented) 1 0 heating mode 11 0 energy saving heating mode 8 air (a2) maximum temperature limit (ahi) 50 400 5.0°c – 40.0°c. default is 400 (40.0°c) 0 2 0 0 400 from to description 50 400 5.0 c – 40.0 c. default is 400 (40.0 c) 5 floor minimum temperature limit (flo) 50 400 5.0°c – 40.0°c. default is 50 (5.0°c) 0 2 0 0 50 from to description 50 400 5.0 c – 40.0 c. default is 50 (5.0 c) 7 air (a2) minimum temperature limit (alo) 50 400 5.0°c – 40.0°c. default is 50 (5.0°c) 0 2 0 0 50 from to description 50 400 5.0 c – 40.0 c. default is 50 (5.0 c) 10 energy saving mode setpoint (eco) 50 400 5.0°c – 40.0°c. default is 180 (18.0°c) 0 2 0 0 180 from to description 50 400 5.0 c – 40.0 c. default is 180 (18.0 c) 2 sensor mode 0 f mode, floor sensor mode. (default) 3 a2 mode, external room sensor mode 0 1 0 0 0 from to description 0 0 f mode, floor sensor mode. (default) 3 0 a2 mode, external room sensor mode 11 cooling setpoint (cool) 50 400 5.0°c – 40.0°c. default is 210 (21.0°c) 0 2 0 0 210 from to description 50 400 5.0 c – 40.0 c. default is 210 (21.0 c) 17 display brightness – dimmed state configure the brightness of the display, in dimmed state. 0 100 0 – 100% (default 50%) 0 1 0 0 50 from to description 0 100 0 – 100% (default 50%) 3 floor sensor type 0 10 k ntc. (default) 1 12 k ntc 2 15 k ntc 3 22 k ntc 4 33 k ntc 5 47 k ntc 0 1 0 0 0 from to description 3 0 22 k ntc 2 0 15 k ntc 4 0 33 k ntc 0 0 10 k ntc. (default) 1 0 12 k ntc 5 0 47 k ntc 6 floor maximum temperature limit (fhi) 50 400 5.0°c – 40.0°c. default is 400 (40.0°c) 0 2 0 0 400 from to description 50 400 5.0 c – 40.0 c. default is 400 (40.0 c) texts
