delay blocks

automatically detecting faults that could damage the compressor

If the level falls below the probe for more than 3 seconds

ensure 1/4" minimum tubing diameter and clean

This model is frequently used for modulating steam or water flow in commercial air handling units where reliable proportional control is non-negotiable

Siemens Building Technology SAS61.33U Actuator 320788-704 delay blocksThe Siemens Building Technology SAS61. 33U Actuator is a precision engineered Acvatix electromotoric spring return valve actuator designed for the proportional control of Powermite 599 Series terminal unit valves. Operating on 24V AC DC power, this unit accepts a 0 10 VDC or 4 20 mA control signal to maintain precise positioning in HVAC systems. In the event of power loss, the integrated mechanical spring return function ensures a fail safe move to