Submittal Sheet

Lochinvar, LLC • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: [phone]
www.Lochinvar.com
5/12—Printed in U.S.A.
KNIGHT XL Commercial Boiler Dimensions & Specifications
Venting Options
Direct Vent Vertical
Direct Vent Horizontal
Vertical Vent with Sidewall Air Intake
Sidewall Vent with Rooftop Air Intake
Vertical Vent with Optional Room Air
Sidewall Vent with Optional Room Air
Input Net
Model Min Max Thermal Output I=B=R
Number MBH MBH Efficiency MBH MBH
KBN400 80 399 93.3% 373 324
KBN501 100 500 93.3% 467 406
KBN601 120 600 94.6% 567 493
KBN701 140 700 94.3% 660 574
KBN801 160 800 94.0% 752 654
A B C D E F G H I J K Gas Water Air Vent Shipping
Conn. Conn. Inlet Size Wt. (lbs.)
42-1/2” 15-1/2” 27-3/4” 3-3/4” 20-3/4” 21” 14” 34” 34” 2” 18-3/4” 1” 1-1/2” 4” 4” 280
42-1/2” 15-1/2” 31-1/2” 3-3/4” 25-1/2” 21” 14” 32-1/2” 36” 2” 18” 1” 1-1/2” 4” 4” 310
42-1/2” 15-1/2” 36-1/4” 3-3/4” 25” 21” 14” 36” 32-3/4” 5-1/2” 19-1/2” 1” 2” 4” 4” 340
42-1/2” 15-1/2” 40-1/4” 3-3/4” 29” 23” 17” 36” 32-3/4” 3-1/4” 23-1/2” 1” 2” 4” 6” 370
42-1/2” 15-1/2” 45-1/4” 3-3/4” 33-1/4” 23” 17” 36” 32-3/4” 3-1/4” 27-3/4” 1” 2” 4” 6” 405
Notes: Indoor installation only. All information subject to change. Change “N” to “L” for LP gas models.
LEFT SIDE
FRONT
BACK
8"
39-1/2"
13-3/4"
18-3/4"
H
K
D
G
F
E
C
9"
A
1-1/4"1/4" -
ADJUSTABLE
AIR INLET
FLUE
LOW VOLTAGE
ELECTRICAL
CONNECTIONS
GAS
INLET
OUTLET
HEAT
EXCHANGER
DRAIN
3/4" NPT
CONDENSATE
DRAIN
FLUE
B
I
J
HIGH VOLTAGE
ELECTRICAL
CONNECTIONS
38-3/4"
3-1/2"
Knight XL Heating Boiler Dimensions and Specifications