maintaining the factory-specified sequence of operation across diverse air conditioning and heating platforms

The included mounting kit facilitates secure installation on compatible valve bodies

It features a four-hole ASME flanged connection and utilizes a 1/4-inch SAE external flare for the refrigerant pressure connection

Using this metering device with R-410A will lead to improper flow rates and potential equipment failure

This setup allows for simultaneous status signaling (NO) and electrical interlocking (NC) to prevent short circuits or to provide "run/fault" status feedback to a head-end controller

Siemens Building Technology 656-600 Valve Actuator 318423-701 maintaining the factory-specified sequence ofThe Siemens 656 600 is a heavy duty pneumatic valve actuator replacement top designed for seamless integration with Siemens Powermite series valves. This replacement actuator with trim is engineered for 3 4" line sizes and features a normally open (NO) fail safe position, ensuring the valve remains open upon loss of control air. Built for precision in pneumatic HVAC controls, the 656 600 operates on a standard 3 8 psi spring range, providing reliable