Honeywell 14004138-001 Retrofit Kit Freon Does this require draining the

Does this require draining the heating system for installation

Key Benefits for Technicians: OEM Specification: Maintains the original factory engineering standards for gas delivery and combustion safety

10" PF (Pressure Fall) set point

the internal return spring ensures the actuator shaft retracts to its fail-safe position

by utilizing only one of the ports and rotating the probe 90 degrees relative to the airflow

Honeywell 14004138-001 Retrofit Kit Freon Does this require draining theThe Honeywell 14004138 001 Positive Positioner Retrofit Kit is the industry standard solution for field converting MP953B pneumatic valve actuators to the high performance MP953F configuration. This technical kit is engineered specifically for reverse acting actuators and is used to replace the legacy Gradutrol relay with a modern positive positioner. By integrating this kit, contractors can upgrade existing 13 inch diaphragm units to the latest pilot