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PERFORMANCE
Efficiency Footprint Quiet ignition & operation Emissions TOLERANCE Tru-Flow™ Altitude de-rating Gas Train RELIABILITY Casting The Iron Advantage Condensing design Burner Ignition system design Combustion control Rapid response EASE OF INSTALLATION & SERVICE KN6 SERIES KN10 SERIES KN20 SERIES NEWS & EVENTS CASE STUDIES HEATNET DOCUMENTATION
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TOLERANCE > GAS TRAIN
The boiler requires 3" W.C. minimum gas pressure for full input at design combustion efficiency. The boiler will continue to operate with pressure as low as 2" W.C. at which point the low-pressure interlock switch will turn the boiler off.
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