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Designed to match Robertshaw bi-metal gas valves
Always verify the capacitor requirements on the new motor's nameplate
By replacing the solenoid core and seating elements
Key Benefits Precision Balanced: Factory-balanced design reduces noise and extends the service life of the blower motor bearings
ensuring optimal heat transfer within the heat exchanger
Siemens Building Technology GMA221.1U Actuator 322056-301 Designed to match Robertshaw bi-metalThe Siemens GMA221. 1U is a high performance OpenAir damper actuator engineered for reliable 2 position (on off) control in critical HVAC environments. Operating on a 120 VAC power supply, this direct coupled unit delivers a robust 62 lb in torque (7 Nm), making it the primary choice for managing return air, mixed air, and exhaust dampers in both constant and variable air volume (VAV) systems. The integrated spring return fail safe mechanism ensures
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