Learn about:

• Proper sight glass positioning and what different conditions tell you about your system
• How to interpret moisture indicators and when they need replacement
• The three key locations where sight glasses are commonly installed
• Why horizontal mounting is preferred over vertical for better diagnostics
• Understanding liquid line solenoid sizing (it’s not based on pipe size!)
• How to use sizing charts and correction factors for proper solenoid selection
• The impact of subcooling on solenoid valve sizing and system performance
• Common installation mistakes and troubleshooting tips