Knight XL Commercial Boiler

Knight XL Commercial Boiler

Up to 94.6% Thermal Efficiency
399,000 to 800,000 Btu/Hr
Smart System Control
Internal Cascade Sequencer
PVC, CPVC or SS Vent – up to 100 ft.
Condensing Stainless Steel Heat Exchanger
Fully Modulating Burner with 5:1 Turndown


Knight XL promises and delivers ultimate ease of installation and maintenance. With up to 94.6% thermal efficiency, low-NOx emmisions and a fully modulating burner, it is the best “green choice” for today’s environmentally focused market.

Additional information


Commercial Boiler