Overview

Honeywell MP904B5037 Pneumatic Actuator. The MP903 (inactive) and MP904 Pneumatic Damper Operators are used in HVAC systems for proportional or two-position control of mixing boxes and dampers. The MP903 is a smaller operator than the MP904. The MP904C model is a replacement for the MP904A, with a new style positive positioner. There is a new style positive positioner retrofit kit available to repair MPP904A models (see REPAIR section). The MP903A models were inactivated in 1978 and the MP904A models were inactivated in 1981.

Specifications

More Information
Manufacturer Honeywell
Product Type Replacement Part

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