Electromechanical two-point room temperature controller (bimetal) with thermal feedback, standard with surface switch frame for flush mounting, can be used in almost all surface switch programs using an intermediate frame (50 x 50 mm according to DIN 49075) from the surface switch program manufacturer, switching capacity AC 250 V / 10 (4) A, control range 5 °C to 30 °C, numeric scale, temperature range restriction integrated in the housing cover, externally controllable temperature reduction (approx. 4 K), color alpine white. Program switch ON/OFF, LED display for heating mode.