Product Overview
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Lochinvar, LLC
300 Maddox Simpson Parkway
Lebanon, Tennessee 37090
P: 615.889.8900 / F: 615.547.1000
Lochinvar.com
Information subject to change without notice. Change “N” to “L” for LP gas models. The Net AHRI Water Rangs shown are based on a
piping and pickup allowance of 1.15. Lochinvar should be consulted before selecng a boiler for installaons having unusual piping and
pickup requirements, such as intermient system operaon, extensive piping systems, etc. The rangs have been determined under the
provisions governing forced dra burners.
Model
Number
Input MBH
AFUE%
Heating
Capacity
MBH
Net
MBH
Gas
Conn.
Water
Conn.
Air
Inlet
Vent
Size
Shipping
Wt. (lbs.)
Max Min A B
C D E F G H I J K
k
**10:1 Turndown rao and top and boom water connecons are not included on WHB399. WHB399 operates with a 5:1 turndown.
*Thermal Eciency%
# Gross Output MBH
KNIGHT BOILER DIMENSIONS AND SPECIFICATIONS
Model
Number
Input MBH
AFUE%
Heating
Capacity
MBH
Net
MBH
Gas
Conn.
Water
Conn.
Air
Inlet
Vent
Size
Shipping
Wt. (lbs.)
Max Min A B
C D E F G H I J K L M N
KHB055N 55 8.3 95.0 51 44 3-1/2" 13-/4" 6" 2-3/4" 37-2/3" 13-1/2" 8-1/3" 10-1/2" 15" 32-1/2" 8-1/3" 1/2" 1" 2" 2" 160
KHB085N 85 8.5 95.0 79 69 3-1/2" 13-1/4" 6" 2-3/4" 37-2/3" 13-1/2" 8-1/3" 10-1/2" 15" 32-1/2" 8-1/3" 1/2" 1" 2" 2" 165
KHB110N 110 11 95.0 102 89 2-3/4" 14-3/4" 7-1/2" 2-3/4" 38" 14-1/3" 9-3/4" 10-1/2" 15" 33" 8-1/3" 1/2" 1" 3" 3" 170
KHB155N 155 15.5 95.0 144 125 2-3/4" 14-3/4" 7-1/2" 2-1/2" 38" 14-1/3" 9-3/4" 10-1/2" 15" 33" 8-1/3" 1/2" 1" 3" 3" 175
KHB199N 199.9 19.9 95.0 185 161 3" 15-1/2" 7-1/2" 2-1/2" 38-1/3" 14-1/3" 10-1/2" 11-1/2" 15" 33" 8-1/3" 1/2" 1-1/"4 3" 3" 195
KHB285N 285 28.5 95.0 264 229 3" 15-1/2' 7-1/2" 2-1/2" 38-1/3" 14-1/3" 10-1/2" 11-1/2" 15" 33" 8-1/3" 1/2" 1-1/4" 3" 3" 205
ASB-5K-8/18-Printed in U.S.A.
KHB/WHB-02
WHB055N 55 8.3 95.0 51 44 40" 18-3/4" 16" 31-1/8" 8-1/2" 3-3/4" 4-1/2" 6-1/2" 7-1/4" 8-7/8" 3-1/2" 1-1/2" 1-1/2" 6" 1/2" 1" 2" 2" 139
WHB085N 85 8.5 95.0 79 69 39-3/4" 18-3/4" 16" 31-1/8" 8-1/2" 3-3/4" 4-1/2" 6-1/2" 7-1/4" 8-7/8" 3-1/2" 1-1/2" 1-1/2" 6" 1/2" 1" 2" 2" 142
WHB110N 110 11 95.0 102 89 41-1/4" 18-3/4" 19" 31-1/8" 10" 2-3/4" 5" 5-1/4" 11-1/2" 8-1/2" 5" 1" 1" 4-1/2" 1/2" 1" 3" 3" 159
WHB155N 155 15.5 95.0 144 125 41-1/4" 18-3/4" 19-1/8" 31-1/8" 10" 2-3/4" 5" 5-1/4" 11-1/2" 8-1/2" 5" 1" 1" 4-1/2" 1/2" 1" 3" 3" 166
WHB199N 199.9 19.9 95.0 185 161 41-1/4" 18-3/4" 19-1/8" 31-1/8" 10-1/2" 3" 5-1/4" 6" 11" 9-1/2" 6-1/4" 1-1/2" 1-1/2" 4-1/2" 1/2" 1-1/4" 3" 3" 175
WHB285N 285 28.5 95.0 264 229 41-3/4" 18-3/4" 21-1/8" 31-1/8" 15" 3" 3-3/4" 5-1/4" 12-1/4" 11" 6-1/4" 1-1/2" 1-1/2" 6-1/2" 1/2" 1-1/4" 3" 3" 184
WHB399N
** 399 80 94.0* 377# 328 43-1/4" 25-1/4" 21-7/8" 34" 3-1/2" 4-1/4" 22-1/2" 3-7/8" 8-7/8" 12-1/2" 9-1/4" 2" 2" 21-1/2" 3/4" 1-1/2" 4" 4" 213
H
43-3/8”
K
E
TOP
FRONT LEFT SIDE
16”
19”
A
D
C
B
I
F
G
WALL MOUNT
C
TOP
RIGHT SIDE
BOTTOM
H
Flue Vent
Air Intake
Water
Inlet
Gas Inlet
Water Outlet
Condensate Drain
High Voltage
Electrical Connection
Low Voltage
Electrical Connection
J
AC Outlet
F
E
B
G
I
J
K
L
M
N
D
A
Gas Inlet
Water Outlet
Condensate Drain
Low Voltage
Electrical Connection
AC Outlet
Water
Inlet
High Voltage
Electrical Connection
Flue Vent
Air Intake
FLOOR MOUNT








