Climate controller, electronic for wall mounting. Suitable for controlling 4-pipe systems. Proportional outputs 0...10VDC for heating and cooling. Proportional band fixed at 1.5K. Adjustable neutral/dead zone from 0.5 - 7.5K. Can also be operated with a remote sensor (extendable up to 50m). Range restriction in the adjustment knob to reduce costs. Surface mounting or directly on flush-mounted box with vertical mounting holes