NTI – LX400 Commercial Gas Boilers

NTI Commercial Boilers

Lx Series

For light to heavy commercial applications, the Lx is the ideal option, with its easy to clean, high power stainless steel heat exchanger. The Lx Series boilers are designed for floor standing installation and can be also mounted wall-hung up to 399 MBH.

Its easy to access electronic board and well accessible components make it easy service and regular maintenance. Cascade management and other outstanding programming features can be easily controlled by the intuitive touch screen display.

Main Features

  • Touch screen intuitive display
  • Easy cleaning stainless steel heat exchanger
  • Wall hung kit included for Lx200-400
  • High power sizes up to 800 MPH
  • Easy access to the display and internal components
  • Advanced cascade settings
  • Vents in PVC, CPVC or Poly Propylene


Input Power 75 – 399 MBH
AFUE 94%
Heating capacity 375 MBH
Net AHRI Rating 326 MBH
Installation type Indoor Floor Standing (Wall Hung kit included)
Weight 225 lb
Gas connection 3⁄4 in NPT female
Water connections 1 1⁄4 in NPT female
Air Inlet 4 in (max 100 ft)
Flue 4 in (max 100 ft)