Lochinvar WBL151 Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control,  Freeze Protection, Dual Level Password Security, Night Setback - WBL151
View 2 of Lochinvar WBL151 Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control,  Freeze Protection, Dual Level Password Security, Night Setback - WBL151
View 3 of Lochinvar WBL151 Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control,  Freeze Protection, Dual Level Password Security, Night Setback - WBL151
View 4 of Lochinvar WBL151 Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control,  Freeze Protection, Dual Level Password Security, Night Setback - WBL151
View 5 of Lochinvar WBL151 Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control,  Freeze Protection, Dual Level Password Security, Night Setback - WBL151
View 6 of Lochinvar WBL151 Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control,  Freeze Protection, Dual Level Password Security, Night Setback - WBL151
View 7 of Lochinvar WBL151 Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control,  Freeze Protection, Dual Level Password Security, Night Setback - WBL151

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Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control, Freeze Protection, Dual Level Password Security, Night Setback - WBL151

SKU: 189505
$ 4,141.54 / ea
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Save 23% · Retail: $5,384.00

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About the Lochinvar Knight High Efficiency Liquid Propane Boiler, 151000 BTU, Wall-Mount, 1/2in Gas Connection, 1in Water Connection, 3in Air inlet, 3in Vent, SMART SYSTEM Digital Operating Control, Freeze Protection, Dual Level Password Security, Night Setback - WBL151

Lochinvar Knight WBL151 151000 BTU High Efficiency Wall Mount Liquid Propane 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.


** Due to this product's considerable weight and size our current shipping costs could fluctuate. Please call 435-868-4020 for today's shipping rates.

Manufacturer: Lochinvar
Product: Boiler
Modus Operandi: Liquid Propane
Other Info: ASME Certified
Mount Type: Wall Mount
BTU Rate: 150,000 BTU
Height: 29-1/4”
Width: 15-1/2"
Depth: 20-3/4"
Color: Stainless
Vent Size: 3"
Vent Type: Direct Vent
Digital: Yes
Energy Star Rated: Yes
Electrical Voltage: 120VAC, 60Hz
Connection Size: 1/2"
Capacity: 1.3 Gallons
Pressure Rating: 160 PSI
Mpn # WBL151
Shipping Dimensions 21.0" x 19.0" x 30.0"
Weight 162.00 lbs.
  • Modulating Burner with 5:1 Turndown
  • 2 line, 16 Character Display
  • Dual Level Password Security
  • Domestic Hot Water Prioritization
  • Built In Cascading Sequencer For Up To 8 Boilers
  • 0-10 VDC Input Control
  • Outdoor Reset Control With Outdoor Air Sensor
  • Low Water Flow Safety Control & Indication
  • Alarm On Any Failure Contacts
  • Service Reminder
  • Freeze Protection
  • Vertical and Horizontal Direct Vent
  • Night Setback
  • Time Clock
  • Three Pump Control (System, Boiler & DHWP)
  • Data Logging (Ex: Hours Running, Space Heating)
  • Programmable System Efficiency Optimizers (Ex: Anti-cycling, Ramp Delay)
  • ASME Stainless Steel Heat Exchanger
  • Automatic Reset High Limit
  • Inlet & Outlet Temperature Sensors
  • Boiler Circulating Pump
  • 30 psi ASME Relief Valve
  • Zero Clearances to Combustible Material
  • SMART SYSTEM Digital Operating Control

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