Siemens Building Technology QFA3212.EWSN Sensor 340155-7026 a specialized OEM assembly precision-engineered
Baker’s notes & crumb story
Description
Siemens Building Technology QFA3212.EWSN Sensor 340155 7026 a specialized OEM assembly precision engineered a specialized OEM assembly precision engineered for Weil McLain CG and CGa boilers (specifically size E38A2) meaning it will restore the circuit once the temperature falls without needing a button press