Siemens Building Technology S55155-A108 Actuator R-22 Standardized Stroke: Maintains the factory-specified

Standardized Stroke: Maintains the factory-specified 5/16" stroke for consistent flow control

Depending on your tank depth and required set points

Can this relay replace a single-pole unit

Its pilot-operated design allows for efficient operation with minimal power consumption while maintaining reliable shut-off capabilities

Siemens Building Technology S55155-A108 Actuator R-22 Standardized Stroke: Maintains the factory-specifiedThe 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