Siemens Gas-Air Ratio Controller SKP70.110B27 230VAC 5VA. Item is new, still in box.

ManufacturerSiemens (Landis Gyr)
Part NumberSKP70.110B27
Inner Code4132675
Technical specification220-240VAC, FOR LANDIS & GYR MO VALVE. VGG10.12540, SERIES 01 (1 "NPT).