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Calibration is achieved by adjusting the internal screw to the desired inches of water column as indicated on the scale
Note: This model is supplied without a probe and requires a compatible McDonnell & Miller electrode for full functionality
which often indicate a compromised trap seal or internal blockage
If the VAV controller fails to calibrate
MARS 17315 Contactor R-407A Calibration is achieved by adjustingThe MARS 17315 Contactor is a heavy duty, 1. 5 pole definite purpose solution designed for maximum reliability in refrigeration, air conditioning, and electric heat systems. Engineered with a 24V coil voltage and rated for 30 Full Load Amps (FLA) and 40 Resistive Amps, this component is the preferred choice for technicians requiring a robust replacement for residential and light commercial condensing units. Its universal mounting base ensures broad
