Siemens Building Technology S55155-A108 Actuator R-22 Depending on your tank depth

Depending on your tank depth and required set points

while it includes a thermal barrier for steam

The CS3AH16A24 is the recommended cross-reference for the "N" (standard) version

and ignition sequencing to eliminate external control modules

It is specifically engineered to interface with low-voltage control circuits

Siemens Building Technology S55155-A108 Actuator R-22 Depending on your tank depthThe Siemens S55155 A108 Actuator is the reliable professional grade choice for terminal unit applications where fail in place functionality is a system requirement. Also known as the Siemens SSC131. 09U, this electromotoric linear actuator serves as the direct SSC81U replacement, providing a seamless retrofit for legacy Siemite MT series valves. Operating on 24VAC, it utilizes a 3 position floating control signal to drive a 6. 1 mm stroke with a