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Lochinvar KBX0400N KNIGHT XL 399 Innput MBtu 97% AFUE Commercial Natural Gas Heating Water Boiler - Direct Vent

SKU
KBX0400N

In Stock. Ships in 1-7 Business Days.

Retail : $17,917.00 - $5233.56 =
$12,683.44 You Save (29%)
399,000
- +
399,000

Product details

Lochinvar KBX0400N KNIGHT XL 399 Innput MBtu 97% AFUE Commercial Natural Gas Heating Water Boiler - Direct Vent

Lochinvar’s KNIGHT XL™ has earned a reputation for reliability starting with its initial launch in 2005. Its workhorse heat exchanger performed with little need for service making it a go-to choice for many contractors. Because of Lochinvar’s commitment to new product development, any opportunity to make a good product better is always taken. In 2010, the KNIGHT XL’s SMART SYSTEM™ was given an upgrade making setup and programming even easier than before.

Product Features

  • 97% Thermal Efficiency

  • Modulating Burner with 10:1 Turndown
      Direct Spark Ignition
      Low NOx Operation
      Sealed Combustion
      Low Gas Pressure Operation

  • Stainless Steel Water Tube Heat Exchanger
      ASME-Certified, “H” Stamped
      160 psi Working Pressure
      50 psi Relief Valve
      Combustion Analyzer Test Port
      Fully Welded Design

  • Smart System Control

  • Vertical and Horizontal Direct Vent
      Direct Vent up to 150 feet
      PVC, CPVC, Polypropylene or AL29-4C
      Factory Supplied Sidewall Vent Termination

  • Other Features
      On/Off Switch
      Adjustable High Limit with Manual Reset
      Automatic Reset High Limit
      Flow Switch
      Flue Temperature Sensor
      Low Air Pressure Switch
      Temperature and Pressure Gauge
      Condensate Trap
      10-Year Limited Warranty (See Warranty)

Optional Equipment

  • Wireless Outdoor Temperature Sensor

  • Multi-Temperature Loop Control

  • Variable-Speed Boiler Circulator

  • Constant-Speed Boiler Circulator

  • Common Vent Damper Kit

  • ModBus Communication

  • BMS Gateway to BACnet or LonWorks

  • BACnet MSTP

  • Alarm Bell

  • Condensate Neutralization Kit

  • Concentric Vent Kit (KBX0400-KBX500)

  • Low Water Cutoff w/Manual Reset & Test

  • High and Low Gas Pressure Switches
      w/Manual Reset (KBX0500-KBX1000)

  • M9-Standard Construction

  • M13-CSD-1/FM/GE Gap (KBX0500-KBX1000)

  • M7 California Code

Lochinvar
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Specification Sheet

Basic Information
MPN ? Manufacturer Part Number KBX0400N
Manufacturer Lochinvar
Series ? A manufacturer's grouping of items that match, coordinate, or complement each other. Knight XL
Dimensions and Measurements
Weight ? Weight 377.00
BTU Input 399,000
AFUE 97%
Characteristics and Features
Material ? The material(s) used in the construction of the product. Stainless Steel
Boiler Type Commercial
Fuel Type Natural Gas
Venting Direct Vent
Venting Type Direct Vent
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