Description
Please Note: This product ships as NG as standard and includes an LP Conversion Kit

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: 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: 600,000
  • BTU/Hr Output (High Fire): 567,600
  • BTU/Hr Output (Low Fire): 113,520
  • Voltage/Heater: 120 V
  • Voltage/Control: 24 V
  • Total Amps: 2.7 A
  • Number of Electrical Connections: 1
  • Dimensions (H x W x D): 42-1/2" x 15-1/2" x 36-1/4"
  • Vent Size: 4"
  • Vent Category: IV
  • Vent Material: PVC
  • Shipping Weight: 355 lb

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Specs
Fuel Type:
Natural Gas
Propane
Efficiency:
94.6%
System Type:
Hydronic (Water)
Features:
EI/Spark Ignition
Direct Vent
Condensing
Depth (Inches):
36-1/4"
Vent Size:
4"
Water Connection:
2"
BTU Input:
600000
DOE Rating:
567000
IBR Rating:
493000
Boiler Type:
High Efficiency
Vent Type:
Direct Vent
Width (Inches):
15-1/2"
Height (Inches):
42.5
Gas Connection:
1"
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