Siemens Building Technology 540-670A Sensor R-22 Low Leak-Through Rate: Engineered with
Baker’s notes & crumb story
Description
Siemens Building Technology 540 670A Sensor R 22 Low Leak Through Rate: Engineered with Low Leak Through Rate: Engineered with a 1% maximum leak through rate to allow for safe water expansion during rapid temperature shifts maintaining a high efficiency fill valve is essential for optimizing steam output and reducing unnecessary downtime caused by stagnant water or valve seat failure