Replacement thermostat knob for the Olymberyl Aidan (HFB443) boiler stove. The knob screws onto the thermostat body and allows you to set and adjust the water temperature. Supplied as a single replacement knob.
Replacement thermostat knob for the Olymberyl Aidan (HFB443) boiler stove. The knob screws onto the thermostat body and allows you to set and adjust the water temperature. Supplied as a single replacement knob.