| 518 | Thermostat | 1H/0C | Non-Programmable

The Thermostat 518 as it should be controls the room temperature for a hydronic heating zone the usage of Pulse Width Modulation (PWM) technology. Easy up and down buttons and a display with large type make this thermostat simple to read and use. The 518 mechanically detects a single auxiliary sensor to measure either Out of doors, floor or remote room temperature. This straightforward to put in thermostat is a right away replacement for tekmar Thermostats 507 and 508. An optional Adaptor Plate 012 is to be had which permits the thermostat to be installed onto a single gang electrical box.

Auto Heating Cycle
Auxiliary Sensor Input
Backlight
Freeze Protection
Out of doors & Floor Temperature Display