Siemens Building Technology 243-0019 Relay Els PW 17895 allowing technicians to accurately diagnose

allowing technicians to accurately diagnose refrigerant moisture levels before acid formation damages the compressor

For complex retrofits

including CWTF Twin and VP17 units

It is frequently found in Armstrong

Industry Standard Compliance: UL recognized and certified to ASME B16

Siemens Building Technology 243-0019 Relay Els PW 17895 allowing technicians to accurately diagnoseThe Siemens 243 0019 Signal Selector Relay is a specialized pneumatic control component engineered to select and transmit the highest or lowest signal from up to six independent pneumatic inputs. Designed for maximum reliability in complex HVACR systems, this high low signal selector features a compact mounting bracket for streamlined installation within control panels or terminal units. As a versatile pneumatic relay, it ensures precise signal