Siemens Building Technology 331-4811 Actuator 323269-701 The first two digits represent

The first two digits represent the manufacturing week

This OEM component features robust pressure lugs designed to maintain low contact resistance and handle the thermal cycling inherent in high-demand power distribution block applications

the charcoal media is designed for adsorption and becomes saturated over time

this element is the designated replacement for several legacy ECB29 series kits often found in older CBX and CB29 units

ensuring proper static pressure for draft induction

Siemens Building Technology 331-4811 Actuator 323269-701 The first two digits representFor veteran technicians managing air handler units and mixing boxes, the Siemens 331 4811 represents the industry standard for pneumatic reliability. This No. 3 Pneumatic Damper Actuator is engineered with a rugged, all metal body designed to withstand the harsh environments of mechanical rooms. Operating on a nominal 8 to 13 psi spring range, this unit provides precise, gradual, or positive actuation of HVAC dampers and air valves. The 331 4811