Description
NAVIEN 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