Common Questions Is the 310447 Model 14-B compatible with the older spring-type valves

This guard is primarily designed for the Reznor F-75 and FE-75 unit heaters

the 4-speed configuration offers an additional speed tap for better airflow tuning

making it a direct service solution for various 2

Precise Actuation: Calibrated for the 4R spring range to ensure reliable normally open valve operation

Siemens Building Technology S55180-A151 Actuator 320734-701 Common Questions Is the 310447The Siemens Building Technology S55180 A151 (Model SSB161. 05U) is a high precision electromotoric actuator engineered for the technical demands of HVAC building automation systems. This non spring return actuator is purpose built for proportional control in zone valve applications, specifically designed to integrate with Powermite 599 MZ Series globe valves. Operating on 24VAC DC power, it utilizes a 0 10VDC control signal to provide a linear stroke