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Rinnai RU199iN Condensing Tankless Hot Water Heater, 11 GPM, Natural Gas, Indoor Installation - Amazon.com
Merritt Plumbing & Heating Inc. - Cox Rd-Rinnai RU199 tankless water heater installation. | Facebook
Can I set the temperature higher than 120℉ on my Rinnai tankless? — Hometown Plumbing | North Atlanta Plumber
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Rinnai Sensei™ - RU199 - 6.4 GPM at 60° F Rise - 0.93 UEF - Gas Tankless Water Heater - Direct Vent | Rinnai RU199IN
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