Siemens Building Technology 540-652A Sensor 320074-702 always verify if your specific

always verify if your specific heater series requires a separate pressure switch or if the existing unit is functioning

By utilizing high-grade copper windings and a rugged encapsulated housing

What is the purpose of the 667 PSI MOP rating on this valve

Its "mirror-maker" burnished stainless steel stem and 100:1 rangeability ensure accurate modulating or on/off performance

Built from forged brass with a nickel-plated stem and a Buna-N paddle

Siemens Building Technology 540-652A Sensor 320074-702 always verify if your specificUpgrading 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