Thermally actuated diffuser

Thermally actuated diffuser

Thermally actuated diffuser

Thermally actuated diffuser

Thermally powered diffuser

Thermally powered VAV diffuser and control assembly

Thermally responsive air diffuser

Thermally-powered active master and passive satellite air diffus

Thermally-powered control mechanism

Thermoelectric actuator for temperature control systems

Thermostat incorporating a carbon dioxide sensor suitable...

Thermostat incorporating thin film carbon dioxide sensor and...

Thermostat responsive to inputs from external devices

Thermostatic control for use in variable air distribution system

Thermostatic ventilator actuator

Thermostatically adjustable pressure regulator

Two-speed automatic control of supply fans