Siemens DDC PTM6.1PSI20-M-R Module 320788-704 verify if your specific sub-model

verify if your specific sub-model includes the auxiliary switch or feedback add-ons

Robust Construction: Forged brass body and brass trim resist de-zincification and mechanical wear

This indicates the specific pressure level (in inches of water column) at which the internal diaphragm will "fall" or open the circuit

Durable bi-metal construction designed to withstand the thermal cycling typical of commercial chiller operation

Siemens DDC PTM6.1PSI20-M-R Module 320788-704 verify if your specific sub-modelThe Siemens DDC PTM6. 1PSI20 M R is a core direct drive control component designed for integrating high precision actuator feedback within legacy and modern Siemens building automation systems. As a Positioning Module Refurbished unit, it provides the bridge between the central DDC processor and field level electric motors, facilitating exact movement for HVAC damper control and water flow valves. This specific PTM module utilizes 20 feedback signals