McDonnell & Miller FS5-D-3/4 Switch Freon non-spring return rotary actuator designed
Baker’s notes & crumb story
Description
non-spring return rotary actuator designed for high-torque applications in commercial HVAC systems
Optimized for R12: Specifically calibrated for R12 medium-temp applications
Using a high-quality multimeter set to ohms
Common Questions What is the importance of the date code for the A-4000-158
McDonnell & Miller FS5-D-3/4 Switch Freon non-spring return rotary actuator designed3 4" NPT In Line General Purpose Flow Switch with Two Snap Acting SPDT Switch (Part Number 114763) FS5 D 3 4 is the direct replacement for FS5 3 4 (EXTRA SWITCH)