FLEX BTH Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for FLEX BTH products.

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FLEX BTH manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

A O Smith FLEX BTH 100 Gallon Condensing Commercial Gas Water Heater Instructions

October 17, 2025

A O Smith FLEX BTH 100 Gallon Condensing Commercial Gas Water Heater Specifications Nominal Gallon Capacity 100 Gallons Rated Storage Volume 96.6 Gallons Thermal Efficiency 97% Maximum BTUs 150,000 Power Source GAS Limited Tank Warranty 3 Years Limited Parts Warranty…

Brand: A O Smith