American Water Heaters GU6240S40 500 GU6240S40 - ProLine® 40-Gallon Short Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater - 6 Year Warranty2 file(s). Published on 2026-05-29. Read online or download pdf files.
American Water Heaters GU81-50T40R 500 GU81-50T40R - ProLine® Master 50-Gallon Tall Ultra-Low NOx Natural Gas Water Heater - 8 Year Warranty2 file(s). Published on 2026-05-29. Read online or download pdf files.
American Water Heaters GU62-50T40R 500 GU62-50T40R - Proline® 50-Gallon Tall Ultra-Low NOx Atmospheric Vent Natural Gas Water Heater - 6 Year Warranty2 file(s). Published on 2026-05-29. Read online or download pdf files.
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