PDF User Manual for Condensing Technology
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AO Smith ATHR-160X3 Premium Condensing Ultra-Low NOx 160,000 BTU Tankless Water Heater with Scale Prevention Technology
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AO Smith ATHR-180X3 Premium Condensing Ultra-Low NOx Tankless Water Heater with X3 Scale Prevention Technology
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AO Smith ATHR-199X3 Premium Condensing Ultra-Low NOx Natural Gas Tankless Water Heater with Scale Prevention Technology
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State Water Heater STM-199X3-P 111 Adapt® SC Standard Condensing Ultra-Low NOx 199,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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State Water Heater STM-180X3-P 111 Adapt® SC Standard Condensing Ultra-Low NOx 180,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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State Water Heater STM-160X3-P 111 Adapt® SC Standard Condensing Ultra-Low NOx 160,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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Reliance TS-310CX3 110 Non-Condensing Concentric Vent Indoor 190,000 BTU Natural Gas/Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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Reliance TS-510CX3 110 Non-Condensing Concentric Vent Indoor 199,000 BTU Natural Gas/Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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AO Smith ATI-180X3-N 100 Adapt® NC Non-Condensing Ultra-Low NOx Indoor 180,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
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AO Smith ATI-199X3-N 100 Adapt® NC Non-Condensing Ultra-Low NOx Indoor 199,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
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AO Smith ATO-180X3-N 100 Adapt® NC Non-Condensing Ultra-Low NOx Outdoor 180,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
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AO Smith ATO-199X3-N 100 Adapt® NC Non-Condensing Ultra-Low NOx Outdoor 199,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
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AO Smith ATM-160X3-P 111 Adapt® SC Standard Condensing Ultra-Low NOx 160,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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AO Smith ATM-180X3-P 111 Adapt® SC Standard Condensing Ultra-Low NOx 180,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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AO Smith ATM-199X3-P 111 Adapt® SC Standard Condensing Ultra-Low NOx 199,000 BTU Liquid Propane Tankless Water Heater with X3® Scale Prevention Technology
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Lochinvar LTM-160X3-N 100 XCalibur® Standard Condensing Ultra-Low NOx 160,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
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Lochinvar LTM-180X3-N 100 XCalibur® Standard Condensing Ultra-Low NOx 180,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
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Lochinvar LTM-199X3-N 100 XCalibur® Standard Condensing Ultra-Low NOx 199,000 BTU Natural Gas Tankless Water Heater with X3® Scale Prevention Technology
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American Water Heaters GT-540X3-NEH 100 GT-540X3-NEH - ProLine® XE Condensing Ultra-Low NOx Outdoor 199,000 BTU Natural Gas Tankless Water Heater with X3® Technology
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American Water Heaters GT-540X3-PEH 101 GT-540X3-PEH - ProLine® XE Condensing Ultra-Low NOx Outdoor 199,000 BTU Propane Tankless Water Heater with X3® Technology
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American Water Heaters GT-540X3-NIH 100 GT-540X3-NIH - ProLine® XE Condensing Ultra-Low NOx Indoor 199,000 BTU Natural Gas Tankless Water Heater with X3® Technology
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American Water Heaters GT-340X3-NIH 100 GT-340X3-NIH - ProLine® XE Condensing Ultra-Low NOx Indoor 180,000 BTU Natural Gas Tankless Water Heater with X3® Technology
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American Water Heaters GT-340X3-PIH 101 GT-340X3-PIH - ProLine® XE Condensing Ultra-Low NOx Indoor 180,000 BTU Propane Tankless Water Heater with X3® Technology
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American Water Heaters GT-340X3-NEH 100 GT-340X3-NEH - ProLine® XE Condensing Ultra-Low NOx Outdoor 180,000 BTU Natural Gas Tankless Water Heater with X3® Technology
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American Water Heaters GT-340X3-PEH 101 GT-340X3-PEH - ProLine® XE Condensing Ultra-Low NOx Outdoor 180,000 BTU Propane Tankless Water Heater with X3® Technology
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American Water Heaters GT-240X3-NIH 100 GT-240X3-NIH - ProLine® XE Condensing Ultra-Low NOx Indoor 160,000 BTU Natural Gas Tankless Water Heater with X3® Technology
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American Water Heaters GT-240X3-PIH 101 GT-240X3-PIH - ProLine® XE Condensing Ultra-Low NOx Indoor 160,000 BTU Propane Tankless Water Heater with X3® Technology
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American Water Heaters GT-240X3-NEH 100 GT-240X3-NEH - ProLine® XE Condensing Ultra-Low NOx Outdoor 160,000 BTU Natural Gas Tankless Water Heater with X3® Technology
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American Water Heaters GT-240X3-PEH 101 GT-240X3-PEH - ProLine® XE Condensing Ultra-Low NOx Outdoor 160,000 BTU Propane Tankless Water Heater with X3® Technology
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American Water Heaters GT-310CX3 110 GT-310CX3 - ProLine® XE Non-Condensing Concentric Vent Indoor Tankless Water Heater with X3® Scale Prevention Technology