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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
This comprehensive boiler service kit includes high-grade gaskets
This 3/4 HP programmable ECM motor utilizes advanced electronically commutated motor technology to deliver precise airflow across varying static pressures
Designed with 5/8-inch inlet and outlet connections
Technicians should verify the 1/2-inch shaft diameter and mounting configuration to ensure a precise drop-in replacement for existing HVAC blower motors
Siemens Building Technology 331-2904 Actuator 320074-702 This comprehensive boiler service kitThe Siemens 331 2904 is a heavy duty #4 pneumatic damper actuator designed for the gradual or positive actuation of large dampers in commercial ventilating systems. This piston type actuator features an all metal body construction and is specifically UL recognized for high stakes fire and smoke applications. With a 3 7 psi spring range and a generous 4 inch stroke, it provides the necessary force for reliable operation of outdoor air, return air, and
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