The L129150068 is a common spec for many McQuay and Daikin models

reducing mechanical stress on motor bearings and fan shafts

and SG units (036 and 060)

4 Amps at 120V and 3

Viessmann control units are calibrated to specific resistance curves

Siemens Building Technology 599-01051 Pneumatic Actuator 320788-703 The L129150068 is a commonThe Siemens Building Technology 599 01051 is a heavy duty 8 inch pneumatic valve actuator engineered for high demand steam and liquid service. Built for the veteran contractor, this Flowrite 599 Series actuator features a 3 4" (20mm) stroke and a fixed 10 psi span specifically optimized for high temperature applications ranging from 200F to 366F. The robust design includes a completely enclosed housing that protects the internal diaphragm, spring, and