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Chrome-bevel sheet on grid paper — specs and return notes filed under the bay.
If airflow is optimal but the switch still opens below 190
this control provides precise timing sequences for pre-purge
While cross-compatible with many models
Corrosion Resistance: Built with a rugged bronze body and stainless steel springs for long-term reliability in hydronic environments
Johnson Controls M9203-BUB-2 Actuator Freon If airflow is optimal butThe Johnson Controls M9203 BUB 2 is a professional grade Spring Return Direct Coupled Actuator engineered for precision control in HVAC systems. Operating on a universal power supply of 85 264 VAC, this unit delivers a rated 27 lb in torque (3 Nm), making it an ideal solution for small to medium dampers and ball valve applications. Designed for two position control (on off), it features a mechanical spring return that ensures a fail safe position