RTM-20: -5ºC to 60ºC.
RTM-30: -10ºC to 90ºC.
Underfloor heating etc. LCD display.
No freeze, comfort, economy modes.
Indication of temp value and adjustable temp required.
24hr 7day ON / OFF settings
RTM-20: Heating only
RTM-30: Heating & cooling
For use with standard NTC sensor, from 3m to 50m.
Supply: 230VAC 50/60Hz.
