Direct OEM Drop-In: Specifically designed to replace VST1800

and E8 series

For Variable Frequency Drive (VFD) applications where frequency modulation occurs

this pilot-operated valve manages air

Smith 100074220 component is engineered to withstand the intense thermal stresses of the burner chamber

Siemens Building Technology S55155-A108 Actuator 326070-701 Direct OEM Drop-In: Specifically designedThe 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