NFB-175

HIGH EFFICIENCY CONDENSING HEATING BOILER
  • Super condensing efficiency
  • Patented compact stainless steel fire tube heat exchanger
  • PVC exhaust venting capable: 2″ up to 60′; 3” up to 150’
  • ½” Gas pipe up to 24′ (Subject to local code)
  • TDR 10:1
  • Advanced user interface and controls
Navien Boilers

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