CommercialENERGY STAR
FTXL 850
by Lochinvar · FTXL series
4.5(5)
Efficiency
96%
AFUE
Output
816k
BTU/hr
Turndown
10:1
modulation
Warranty
12
yr exchanger
The FTXL 850 is a commercial boiler best suited for large commercial and institutional buildings. It delivers 96% AFUE efficiency with a 10:1 turndown ratio, backed by a 12 years heat-exchanger warranty.
Key features
- Large commercial fire-tube
- High turndown
- Advanced cascade
Technical specifications
Boiler typeCommercial
FuelNatural Gas
AFUE efficiency96%
Heat input range170,000 – 850,000 BTU/hr
Heat output816,000 BTU/hr
Turndown ratio10:1
VentingDirect vent (PVC/CPVC)
Dimensions (H×W×D)62" H × 28" W × 36" D
Weight520 lbs
ENERGY STARCertified
Warranty coverage
Heat exchanger
12 years
Parts
5 years
Labour (via installer)
1 year
Installed price range
$22,000 – $32,000
Unit only: $17,000 – $22,000
≈ $436/mo · 60 mo @ 6.99% APR
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For the FTXL 850