Water boilers, High Efficiency, Cast Iron, Low NOx, Modulating, KN-20


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HYDROTHERM KN20 SERIES

KN-20 gas-fired, direct vent, cast iron boiler. Up to 99% efficient.

PERFORMANCE

5:1 Turn Down
Cast Iron Heat Exchanger accepts a 10 to 1 range of water flows.
Self-diagnostics control
Low pressure drop through heat exchanger
Proven spark Igniter system with air cooled UV self contained system requires no field adjustments
Air fuel coupled (Tru-Flow™) provides constant clean combustion at all firing rates and vent conditions
Quiet operation
Direct vent 9" Cat IV, 80 equivalent feet
Small foot print less than 29" wide.
2 ML BTU/hr input

Brochures

Submittals