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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. It’s easy to access electronic board and well accessible components make it easy service and regular maintenance.
Key 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
- Vents in PVC, CPVC or Poly Propylene
EZ Set up Wizard
Easy configuration and effortless setup with NTI’s intuitive control interface. Multiple language options are available in the settings.
Wi-Fi Connectivity
NTI net gives contractors 24/7 Wi-Fi access to monitor, diagnose, and manage single or multi-boiler installations in real time. It helps resolve issues faster with remote settings adjustments, error history, proactive email alerts, and Tech Support diagnostic access.
Cascade-Ready Performance
Seamlessly connect up to 8 boilers to operate as a single, intelligent system - automatically staging units on and off to match demand, improve efficiency, extend equipment life, and provide built-in redundancy for uninterrupted heating.
Find a Distributor
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Specifications
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Product comparison
Lx150,Lx200,Lx300,Lx400,Lx500,Lx600,Lx800
Input Power
input_power
AFUE
afue
Heating capacity
heating_capacity
Net AHRI Rating
net_ahri_rating
Weight
weight
Gas connection
gas_connection
Water connections
water_connections
Air Inlet
air_inlet
Flue
flue
Manuals & Guides
Lx Series Installation and Operation Manual
download
Lx and Lx-WH 150-400 Quick Start Guide
download
LX LP Conversion Instructions
download
TFT, Lx and FTG Series Protonode Startup Guide (Legacy Manual)
download
Appendix A-TFT, Lx, Lx-WH and FTG Series Sola Display Operating Guide
download
Tx Lx and Lx-WH Series Heat Exchanger Cleaning Instructions
download
Water Quality Best Practices
download
Important Warranty Information
download
Files & Specifications
Lx Series Brochure EN
download
LX150 (ASME) Series Specification
download
LX200 Series Specification
download
LX300 Series Specification
download
LX400 Series Specification
download
LX500 Series Specification
download
LX600 Series Specification
download
LX700 Series Specification
download
LX800 Series Specification
download
LX Series Revit Native File
download
Parts List & Submittals
LX150 Series Submittal
download
LX200 Series Submittal
download
LX300 Series Submittal
download
LX400 Series Submittal
download
LX500 Series Submittal
download
LX600 Series Submittal
download
LX700 Series Submittal
download
LX800 Series Submittal
download
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Warranty
Basic
Coverage
Residential: 5 years from installation date
Commercial: 2 years from installation date
Components Covered
All parts (including Pressure Vessel)
Extended
Coverage
Residential: Limited Lifetime
Commercial: 10 years from installation date
Components Covered
Pressure Vessel only
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The Heat Exchanger Coil Cleaning Tool is a device that helps you maintain the efficiency and performance of water tube heat exchangers.
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