Robust Materials: Constructed with high-grade steel to resist warping and oxidation under high-temperature conditions

or visible corrosion on the assembly housing

Key Benefits Specifically calibrated for stainless steel trim valves with 3/8" stems to prevent premature wear

preventing trapped refrigerant and incomplete evacuation

Key Benefits OEM Compatibility: Specifically calibrated for Raypak Digital and Low NOx pool heaters

Siemens Building Technology 331-3060 Actuator 323055-751 Robust Materials: Constructed with high-gradeThe Siemens 331 3060 is a heavy duty No. 6 pneumatic damper actuator designed for reliable proportional or two position control of HVAC systems. Featuring a rugged all metal construction and a 4 inch stroke, this spring return actuator is engineered to drive large outdoor air, exhaust, and face and bypass dampers. With an 8 13 psi nominal spring range, it is specifically optimized for high torque applications, including multi section damper assemblies