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A.O. Smith Reviews

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A.O. Smith ATI-340H - 5.7 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 8.0 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 171k Effective BTU/h.
2% Buy This
A.O. Smith ATI-240H - 5.0 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 152k Effective BTU/h.
A.O. Smith ATI-140H - 3.8 GPM at 60° F Rise - 0.93 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k Effective BTU/h.
7% Buy This
A.O. Smith ATI-540H - 6.3 GPM at 60° F Rise - 0.95 EF - Propane Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
Ships in 3 - 4 Weeks
A.O. Smith ATI-140H - 3.8 GPM at 60° F Rise - 0.93 EF - Propane Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.4 GPM at 40° F Rise, 4.4 GPM at 50° F Rise, 3.8 GPM at 60° F Rise, 3.2 GPM at 70° F Rise. 112k Effective BTU/h.
Ships in 3 - 4 Weeks
A.O. Smith ATI-240H - 5.0 GPM at 60° F Rise - 0.95 EF - Propane Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 6.7 GPM at 40° F Rise, 6.1 GPM at 50° F Rise, 5.0 GPM at 60° F Rise, 4.3 GPM at 70° F Rise. 152k Effective BTU/h.
Ships in 3 - 4 Weeks
A.O. Smith ATI-340H - 5.7 GPM at 60° F Rise - 0.95 EF - Propane Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 8.0 GPM at 40° F Rise, 6.8 GPM at 50° F Rise, 5.7 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 171k Effective BTU/h.
Ships in 3 - 4 Weeks
A.O. Smith ATI-540P - 6.3 GPM at 60° F Rise - 0.95 EF - Propane Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
Ships in 7-14 Business Days
A.O. Smith ATI-540H - 6.3 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent (Scratch & Dent) EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
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9% Buy This
A.O. Smith ATI-540H - 6.3 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
4% Buy This
A.O. Smith ATI-540P - 6.3 GPM at 60° F Rise - 0.95 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Condensing Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 9.5 GPM at 40° F Rise, 7.5 GPM at 50° F Rise, 6.3 GPM at 60° F Rise, 5.4 GPM at 70° F Rise. 189k Effective BTU/h.
A.O. Smith ATI-310 - 5.3 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 7.9 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.5 GPM at 70° F Rise. 156k Effective BTU/h.
A.O. Smith ATI-510 - 5.5 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 8.3 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 163k Effective BTU/h.
Ships in 3 - 4 Weeks
A.O. Smith ATI-110 - 3.9 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 115k Effective BTU/h.
Ships in 3 - 4 Weeks
A.O. Smith ATI-110C - 3.9 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Concentric Vent. Ratings: 5.8 GPM at 40° F Rise, 4.5 GPM at 50° F Rise, 3.9 GPM at 60° F Rise, 3.3 GPM at 70° F Rise. 115k Effective BTU/h.
A.O. Smith ATI-310C - 5.3 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Concentric Vent. Ratings: 7.9 GPM at 40° F Rise, 6.2 GPM at 50° F Rise, 5.3 GPM at 60° F Rise, 4.5 GPM at 70° F Rise. 156k Effective BTU/h.
A.O. Smith ATI-510C - 5.5 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Low NOx Emissions (< 40 ng/J or 55 PPM). Concentric Vent. Ratings: 8.3 GPM at 40° F Rise, 6.9 GPM at 50° F Rise, 5.5 GPM at 60° F Rise, 4.8 GPM at 70° F Rise. 163k Effective BTU/h.
A.O. Smith ATI-310U - 5.3 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 7.9 GPM at 40
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A.O. Smith ATI-110U - 3.9 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 5.8 GPM at 40
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A.O. Smith ATI-510U - 5.5 GPM at 60° F Rise - 0.82 EF - Gas Tankless Water Heater - Direct Vent EnergyStar Water Heater. Ultra Low NOx Emissions (SCAQMD Rule 1146.2 Compliant). Ratings: 8.3 GPM at 40
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