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KBN500 406,000 BTU Output Knight XL High Efficiency Boiler

Brand:
Lochinvar
SKU:
KBN500
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KBN500 406,000 BTU Output Knight XL High Efficiency Boiler
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KBN500 has been discontinued
Discontinued December 29, 2010
This product was discontinued by the manufacturer.
Suggested Alternative:
406,000 BTU Output Knight XL High Efficiency Boiler (NG)
Brand:
Lochinvar
SKU:KBX0500N-M13
(0)
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Product Highlights

–
Product Highlight: BTU Output
406000 Max BTUs
Product Highlight: Fuel Type
Natural Gas
Product Highlight: Vent Type
Direct Vent
Product Highlight: System Type
Hydronic (Water)
Product Highlight: Width (Inches)
15-1/2" Width
Product Highlight: Height (Inches)
42.5" Height

Description

–
Heating equipment must be installed, commissioned, and serviced by a licensed and qualified professional in accordance with manufacturer instructions, applicable codes, and industry standards. Manufacturers do not accept warranty or technical support requests from homeowners or unlicensed individuals. All warranty and technical inquiries must be initiated by the licensed professional responsible for the installation.

Lochinvar's Knight XL Boilers Feature:
  • Modulating Burner With 5:1 Turndown
  • ASME Stainless Steel Heat Exchanger
  • Direct-Vent Sealed Combustion
  • 50 psi Relief Valve
  • Adjustable High Limit With Manual Reset
  • Flow Switch
  • Temperature & Pressure Gauge
  • Direct-Spark Ignition
  • Low NOx Operation
  • Low Gas Pressure Operation
  • Zero Clearances to Combustibles
  • Easy Access Terminal Strip
  • Natural to LP Conversion Kit
  • Inlet & Outlet Temperature Sensors
  • Low Water Flow Indication
  • Domestic Hot Water Prioritization
  • Adjustable Leveling Legs
  • Sidewall Vent Terminals
  • On/Off Switch
  • Contact On Any Failure
  • SMART SYSTEM Digital Operating Control

SMART SYSTEM Digital Operating Control Features:
  • 2 line, 16 Character LCD Display
  • Password Security
  • Built In Cascading Sequencer
  • Building Management System Control
  • 0-10 VDC Input Control
  • Outdoor Reset
  • Night Setback
  • Three Pump Control (System, Boiler & DHW)
  • Pump Relay With Freeze Protection
  • Product Service Indicator
  • Field Connection Versatility
  • Optional PC Or Pocket PC Software

Product Specifications:
  • Floor Standing
  • Gallon Capacity: 4.2
  • Heating Surface (Sq.Ft.): 50.8
  • Water Connections: 1-1/2"
  • Drain: 3/4"
  • Max Working Pressure: 160 psi
  • Number of Relief Valves: 1
  • Relief Valve Size: 3/4"
  • Relief Valve Pressure Rating: 50 psi
  • Gas Inlet Connection: 1"
  • BTU/Hr Input: 500,000
  • BTU/Hr Output (High Fire): 466,500
  • BTU/Hr Output (Low Fire): 93,300
  • Voltage/Heater: 120 V
  • Voltage/Control: 24 V
  • Total Amps: 1.7 A
  • Number of Electrical Connections: 1
  • Dimensions (H x W x D): 42-1/2" x 15-1/2" x 31-1/4"
  • Vent Size: 4"
  • Vent Category: IV
  • Vent Material: PVC
  • Shipping Weight: 305 lb

Specs

–
Fuel Type:

Natural Gas

Boiler Type:

High Efficiency

Vent Type:

Direct Vent

Efficiency:

93.3%

System Type:

Hydronic (Water)

Width (Inches):

15-1/2"

Height (Inches):

42.5"

Features:

Condensing

Direct Vent

EI/Spark Ignition

Vent Size:

4"

Depth (Inches):

31-1/4"

Water Connection:

1-1/2"

Gas Connection:

1"

BTU Output:

406000

BTU Input:

500000

Help Face

Questions?

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Call or text 888-757-4774
Monday – Thursday
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Saturday – Sunday
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Knight XL KBN500 (NG)

Replacement Parts

SKU: KBN500

Brand: Lochinvar

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