Is the 401 media interchangeable with newer high-efficiency upgrades

and 240V gear train actuators including MA-series and MP-series oil-submerged or spring-return models

electric heat elements

and MC-321-103 models

this brass zone valve is an industry standard for managing hot and chilled water applications

Siemens Building Technology 540-652A Sensor 320720-756 Is the 401 media interchangeableUpgrading or maintaining Siemens field panels requires precise sensing hardware. The Siemens 540 652A Room Temperature Sensor is a high performance interactive device designed specifically for Terminal Equipment Controller (TEC) applications. As a veteran in the field, you know that accurate site data is critical; this unit utilizes a highly responsive 10K ohm NTC thermistor to provide stable room temperature monitoring across a range of 55F to 95F