Lennox, Gas-Fired Combination Water Boiler, 95% AFUE ...
GCWB95W-205. 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.
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