Siemens Building Technology 331-2906 Actuator 322838-752 it features an improved sequencing

it features an improved sequencing logic to manage the start-up and shut-down delays essential for heat exchanger protection

you need a Modine 5H0797480000 Gas Valve that drops in without a fight

This lead free component serves as the official replacement for the discontinued Watts 0006630

Seamless Integration: Specifically calibrated for use with Selectra Series 14 systems and standard Maxitrol mixing tubes

This unit features a robust cast iron housing with a two-bolt base configuration

Siemens Building Technology 331-2906 Actuator 322838-752 it features an improved sequencingThe Siemens Building Technology 331 2906 Actuator is a heavy duty, No. 4 pneumatic damper actuator engineered for precise control in commercial HVAC systems. This piston type actuator features a 5 to 10 psi nominal spring range and a robust 4 inch stroke, making it a reliable solution for modulating or two position control of outdoor air, return air, and exhaust dampers. Designed with a pivot mount configuration, it reduces binding and mechanical