Efficiency, Savings and Technology -The FTXL™ carries the best-in-class AHRI Thermal Efficiency. FTXL™ for light commercial applications; Model sizes consist from 399,999 to 850,000 Btu/hr; 10:1 turndown ratio; Lochinvar FTXL Boiler Brochure

REDUCE INSTALLATION COST WITH VARIABLE FLOW TECHNOLOGY
– Flow rates vary from 10 to 150GPM
SMOOTH-RUNNING, MODULATING COMBUSTION
– FTXL™ fire-tube providing superior combustion
MINIMUM SUPPLY PRESSURE, INSTALLER-FRIENDLY
The SMART SYSTEM™ and optional CON-X-US®.

• LOCH-N-LINK® EASY USB FLASH PROGRAMMING •
• PEACE OF MIND WHEN IT MATTERS MOST •
• T
HE SMALLEST FOOTPRINT – EASY TO INSTALL & SERVICE •
• FLEXIBLE VENTING OPTIONS •