Do the Wiser Radiator Thermostats call for heat? Follow Yes, Wiser Radiator Thermostats can request heat from the Wiser HubR which instructs the boiler to fire Related articles Does the Wiser Radiator Thermostat measure temperature the same way as a Wiser Room Thermostat? Wiser Radiator Thermostat LED behaviour chart How to install your Wiser Radiator Thermostat Getting to Know your Wiser Radiator Thermostat Do Wiser Radiator Thermostats fit on all radiator valves? Comments 1 comment Sort by Date Votes Richard Brooks 09 April 2021 16:20 Why do I need a room thermostat if the radiator valves will control the temperature? 1 Comment actions Permalink Please sign in to leave a comment.