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Lochinvar Knight WHN155 155000 Btu High Efficiency Wall Mount Natural Gas Boiler

SKU: 107553

$3,980.50/ea
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Save 50% · Retail: $7,960.00

  Available to Ship in 4-5 weeks


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$3,980.50/ea

About the Lochinvar WHN155

Lochinvar Knight WHN155 155000 BTU High Efficiency Wall Mount Natural Gas Boiler. The Lochinvar Knight Series Boilers are the smartest choice for a condensing performance boilers. Engineered with Lochinvars exclusive SMART SYSTEM Control (LCD Display Screen, and the ability to control up to three temperature set-points) and a vast variety of other innovative features. Knight Boilers promise to deliver ease of installation and maintenance. With up to 99% efficiency, low emissions and a fully modulating burner, these are the best Green Choice for todays conscious market. All boilers are equipped for direct-vent installation with air intake and exhaust runs up to 100 feet. This range of choices is ideal for residential or light-duty applications such as small hotels, schools and office buildings. For higher-demand applications, the Eight KNIGHT Wall Mount units can be installed utilizing the built-in cascading sequencer to deliver up to 3.2 million Btu/hr heating capacity.

Product Details

Product: Boiler
Manufacturer: Lochinvar
Style: Wall Mount
Modus Operandi: Natural Gas
Mount Type: Wall Mount
Mpn # WHN155
Shipping Dimensions 19.0" x 19.0" x 33.0"
Weight 166.00 lbs.

Product Features

  • Direct-Spark Ignition
  • Wall-Mount Bracket
  • Zero Clearances to Combustible Materials
  • 12-Year Limited Warranty
  • Multi-Color Graphic LCD Display with Navigation Dial and Soft Keys
  • Plus Domestic Hot Water Prioritization
  • Multiple Size Boiler Cascade
  • Lead Lag
  • Efficiency Optimization
  • Outdoor Reset Control with Outdoor Air Sensor
  • Programmable for Three Reset Temperature Inputs
  • Low-NOx Operation
  • Night Setback
  • DHW Night Setback
  • Anti-Cycling
  • Outdoor Air Reset Curve
  • Ramp Delay
  • Boost Temperature & Time
  • System Pump with Parameter for Continuous Operation
  • Boiler Pump with Variable Speed Pump Control
  • Domestic Hot Water Pump
  • DHW tank piped with priority in the boiler loop
  • Field Convertible from Natural to LP Gas
  • DHW tank piped as a zone in the system with the pumps controlled by the Smart System
  • DHW Modulation Limiting
  • Separately Adjustable Space Heat/DHW Switching Times
  • 0-10 VDC Input to Control Modulation or Set Point
  • 0-10 VDC Modulation Rate Output
  • 0-10 VDC Input to Enable/Disable call for heat
  • 120 VAC / 60 Hertz / 1 Phase Power Supply
  • Three Sets of Pump Contacts
  • 24 VAC Device Relay
  • Proving Switch Contacts
  • 30 psi ASME Relief Valve
  • Flow Switch Contacts
  • Alarm on Any Failure Contacts
  • Runtime Contacts
  • DHW Thermostat Contacts
  • 3 Space Heat Thermostat Contacts
  • System Sensor Contacts
  • DHW Tank Sensor Contacts
  • Outdoor Air Sensor Contacts
  • Cascade Contacts
  • 0-10 VDC BMS External Control Contact
  • PVC, CPVC, Polypropylene or SS Venting up to 100 feet
  • 0-10 VDC Boiler Rate Output Contacts
  • 0-10 VDC Variable Speed System Pump Signal Input
  • 0-10 VDC Signal to Control Variable Speed Boiler Pump
  • Modbus Contacts
  • Hours Running, Space Heating
  • Hours Running, Domestic Hot Water
  • Ignition Attempts
  • Last 10 Lockouts
  • Custom Maintenance Reminder with Contractor Contact Information
  • Installer Ability to De-activate Service Reminder
  • Factory Supplied Sidewall Vent Termination
  • Automatic Reset High Limit
  • Adjustable High Limit w/Manual Reset
  • Boiler Circulating Pump

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