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Natural Gas

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AO Smith Adapt 10.5 GPM 120 Volt Energy Star Residential Indoor or Outdoor Liquid Propane / Natural Gas Tankless Water Heater

Model: ATHR-199X3

(7)

$2,187.90

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AO Smith Adapt 10.5 GPM 120 Volt Residential Indoor or Outdoor Liquid Propane / Natural Gas Tankless Water Heater with X3® Scale Prevention Technology

Model: ATHR-160X3

(3)

$2,445.50

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AO Smith Adapt 10.5 GPM 120 Volt 5 Amp Residential Indoor or Outdoor Liquid Propane / Natural Gas Tankless Water Heater with X3® Scale Prevention Technology

Model: ATHR-180X3

$2,659.80

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AO Smith Adapt 10.5 GPM 120 Volt Residential Indoor or Outdoor Liquid Propane / Natural Gas Tankless Water Heater with Conversion Kit

Model: ATHR-199M

$2,638.35

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AO Smith 8 GPM 180,000 BTU 120 Volt Residential Indoor Natural Gas Tankless Water Heater with Ultra-Low NOx

Model: ATI-340H-N

(38)

$987.55

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AO Smith Adapt 10.5 GPM 120 Volt Residential Indoor or Outdoor Liquid Propane / Natural Gas Tankless Water Heater with Integrated Recirculation Pump

Model: ATHR-180M

$1,457.32

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AO Smith Adapt 10.5 GPM 120 Volt Residential Indoor or Outdoor Liquid Propane / Natural Gas Tankless Water Heater with Patented Heat Exchanger

Model: ATHR-160M

$2,153.50

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AO Smith 14.5 GPM 380,000 BTU 120 Volt Commercial Indoor / Outdoor Liquid Propane Commercial Tankless Water Heater

Model: ATIO-910-P

$5,623.74

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AO Smith 14.5 GPM Commercial Natural Gas Indoor/Outdoor Tankless Water Heater with 380000 Maximum BTU Input and ASME Certification

Model: ATIO-910-AN

$5,969.23