Aqua-Hot 125-D02 LCD/altitude/winterization prep

Use this Aqua-Hot 125-D02 guide to document LCD, altitude, winterization, heat, and service facts before support.

Owner-safe checklist

• Record the AHM-125-D02 model, LCD state, heat or hot-water symptom, altitude setting if shown, winterization status, and any visible leak location.
• Shut the Aqua-Hot system off if there is a leak, unusual odor, or unsafe heat condition, then save photos of the display and label.
• Use Aqua-Hot support or qualified hydronic service for fuel, exhaust, coolant, installed electrical, heat, or parts decisions.

Official sources

• Aqua-Hot AHM-125-D02 use and care guide