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Heat and water
The Knight Condensing Boiler from Lochinvar
Knight logo

With a 93% AFUE rating, the Knight's high-tech design and high-efficiency performance make it the smartest way to heat your home.

The Lochinvar Knight offers great versatility with 7 models to choose from which meet all your residential and commercial needs from new construction to boiler replacement to radiant applications.

The Knight exceeds today's toughest environmental standards.

Environmental ratings
 
 
 
Lochinvar Knight

Boiler modulates down to 20% of its maximum input, producing optimum comfort and energy efficiency

Ideal for radiant floor heating

Uses propane or natural gas

AFUE efficiency 93% to 98.6%

12 year warranty on heat exchanger

Typical payback: Unit often pays for itself in as little as 3 years

Completely sealed system

Programmable setbacks

Direct vent up to 160'

Pump relay with freeze protection

Includes outdoor reset, self diagnostics

Low NOx

Whisper quiet operation

 
MODEL KBN080 KBN105 KBN150 KBN210 KBN285 KBN399 KBN500
BTU Input Modulation Minimum 16,000 21,000 30,000 42,000 57,000 80,000 100,000
BTU Input Modulation Maximum 80,000 105,000 150,000 210,000 285,000 399,999 500,000
 
 

This chart shows what you'll save with the Knight condensing boiler compared to older units with 75% AFUE efficiencies. Operating costs are based on an 80,000 BTU heating load and 2,000 hours of operations with a fuel cost of $1.13 per therm.

Lochinvar Knight Fuel Savings