Lennox, Gas-Fired Combination Water Boiler, 95% AFUE, 153,000 Btuh, GCWB95W-150

Cat # : 20U63 |Model/Part # : GCWB95W-150

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High Efficiency, Modulating Gas-Fired Condensing Combination Water Boiler

The Pinnacle of Efficiency - At 95% AFUE, this natural gas combination boiler is remarkably efficient so that perfectly warm air and an endless stream of hot water comes with minimal energy waste.

Real-Time Comfort - Faster heating times deliver both home heating and hot water on demand. Now homeowners can run the dishwasher, do a load of laundry, and take a shower without running out of hot water.

Perfectly pinpointed adjustments - Self-Commissioning allows this combination boiler to make its own adjustments during installation for immediate comfort.

  • AFUE - 95%
  • Direct spark ignition
  • Natural gas or LP/Propane (no conversion kit required)
  • Applications include domestic hot water supply combined with radiant floor heating, baseboard heating or zoned heating systems
  • Compact units allow easy mounting on a wall (150 and 205 models) or floor (150 model only) in a closet, alcove, basement or utility room
  • All units are completely factory assembled with all controls installed and wired
  • Each unit is factory test operated
Brand Lennox
Catalog Number 20U63
Model/Part Number GCWB95W-150
Minimum Order Quantity 0.0
Base Unit of Measure Unit(S)
Product Depth 14.25 Inch
Product Height 30 Inch
Product Width 17.75 Inch
Gross Weight 103 LB
Family GCWB95
Heating Capacity 153, 000 Btuh
Efficiency 95.0 AFUE

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