Emerson Flow Controls 031578 1-1/8″ Sweat AMI Series Sight Glass Moisture Indicator

The Emerson Flow Controls 031578 1-1/8″ Sweat AMI Series Sight Glass Moisture Indicator is a Emerson Flow Controls moisture indicator for HVAC repair and replacement work. Use it when the part number 031578 and the listed specifications match the equipment being serviced.

1-1/8″ Sweat AMI Series Moisture Indicator The AMI is designed to provide an accurate method of determining the moisture content of a system’s refrigerant. The AMI has a unique high accuracy moisture indicator for CFC, HCFC, and HFC refrigerants. Features: Highest sensitivity moisture indicator available Take-Apart design for easy repair Single indicator for all common refrigerants Accurate color calibration at low ppm levels and higher temperatures Wide angle viewing/high visibility window for ease of monitoring Solid copper connections Specifications: Maximum working pressure – 650 psig UL/CUL file number – SA 9566

Key Specs

• Product Type: Moisture Indicator

Expert Verdict

Reviewed by the SuperArbor Pro Desk: choose this part when the existing component label and unit documentation match 031578 and the spec set above. It is best suited for targeted HVAC service repairs where exact fitment matters more than broad universal compatibility.

FAQs

What is the Emerson Flow Controls 031578 used for?

It is a moisture indicator for compatible Emerson Flow Controls HVAC equipment. Match the part number 031578 and the equipment service literature before ordering or installing.

Which specs should I verify before purchase?

Verify the spec set shown for this part: Product Type: Moisture Indicator. The replacement should match the existing component and the unit documentation.

How do I confirm this is the right replacement?

Compare the part number 031578, the moisture indicator description, and any unit model references with the original component and the service manual.

Is this an OEM-style replacement part?

Use it as a direct replacement only when Emerson Flow Controls documentation lists 031578 or an approved equivalent for the unit being serviced.

Who should install this HVAC component?

A qualified HVAC technician should install and test the moisture indicator. Disconnect power first, follow lockout procedures, and confirm safe operation after replacement.

Safety and Installation Notes

Disconnect power before service. HVAC electrical and combustion-related components should be installed and tested by a qualified technician. After installation, confirm wiring, mounting, airflow or fluid routing as applicable, and normal system operation.