Today's job. Navien water heater install, you guys know what to do. : r/HVAC
Tankless water heaters: 12 things to know about these energy savers for multifamily housing
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NPE-240A2 ultra-high efficiency condensing water heater | Navien
Navien NPE-240A 199,000 BTU Condensing PremiumGas Tankless Water Heater
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Navien Recalls Tankless Water Heaters and Boilers Due to Risk of Carbon Monoxide Poisoning | CPSC.gov
