Johnson Controls M9104-AGP-2S Actuator R-410A As a direct replacement for

As a direct replacement for the legacy 21D28-3

Corrosion-Resistant Construction: Built to withstand high-temperature environments within the burner box

When the temperature exceeds the 140-degree threshold

Automated Recovery: Features an automatic reset at 105 degrees F

If the spark electrode is firing but the main gas valve isn't opening

Johnson Controls M9104-AGP-2S Actuator R-410A As a direct replacement forThe Johnson Controls M9104 AGP 2S is a high performance Electric Non Spring Return Actuator specifically engineered for VAV (Variable Air Volume) box applications. operating on 24 VAC power, this actuator delivers a consistent 35 lb in running torque, making it a reliable choice for driving dampers in commercial HVAC systems. This unit features an integrated 15 VDC unregulated differential pressure sensor and a 200 ohm nominal control input impedance,