The DFS2-DM20 is a manual reset model

providing stable and accurate control

Its split taper bushed design simplifies installation and removal

this 3-pole heater disconnect provides a secure

Manufactured to the original rigorous standards

Siemens Building Technology 599-00426 Kit R-407C The DFS2-DM20 is a manualThe Siemens 599 00426 is a professional grade positioning relay and mounting kit designed specifically for 8 inch pneumatic actuators within the Flowrite 599 Series. Engineered for high precision regulation in terminal unit and valve control applications, this Siemens 599 00426 mounting kit facilitates the seamless integration of a positioner to ensure accurate valve stem placement proportional to the control signal. Built to handle commercial HVAC