Lochinvar re-defined the fire-tube boiler category with its KNIGHT Wall-Mount and CREST lines. For residential and light commercial applications, the FTXL™ adds models from 399,999 to 850,000 Btu/hr, and takes Lochinvar’s fire-tube technology to the next level. FTXL offers best-in-class AHRI Thermal Efficiency and footprints, plus remote connectivity that puts the SMART SYSTEM control at your fingertips, anywhere!

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