ASU Timer - flue gas thermostat timer
The ASU Timer is meant to be used with boilers that are equiped with mechanical flue gas thermostat. The ASU Timer must be connected to the flue gas thermostat. The ASU Timer spares you the effort of constantly turning the flue gas thermostat after you have light the fire, because it turns the thermostat back for you.
The ASU Timer is very easy to use. You just have to light the fire in the boiler and turn the ASU Timer knob to the position "0" or "firing up". Device will turn the flue gas thermostat into right position for you.
Warranty: 2 years