Lochinvar KB-151 User Manual

KNIGHT

®

BOILER PRODUCT SUMMARY

(KB) 80,000 - 285,000 BTU/HR

KB-081 KB-106 KB-151 KB-211 KB-286

WATER

GALLON CAPACITY 0.6 0.7 1.3 1.7 2.4
HEATING SURFACE (SQ. FT.) 7.3 9.1 16.4 21.8 29.1
WATER CONNECTIONS 1” 1” 1” 1” 1-1/4”
DRAIN 3/4” 3/4” 3/4” 3/4” 3/4”
20°F ΔT WATER FLOW (GPM) 7.5 9.8 14.0 19.6 26.5
HEAD LOSS (FT. OF HD.) 24.0 27.0 20.0 29.0 15.0
35°F ΔT WATER FLOW (GPM) 4.2 5.5 7.9 11.0 15.0
HEAD LOSS (FT. OF HD.) 7.3 9.3 9.5 9.1 7.3
MAX. WORKING PRESSURE (PSI) 160 160 160 160 160
# OF RELIEF VALVES 11111
RELIEF VALVE SIZE 3/4” 3/4” 3/4” 3/4” 3/4”
RELIEF VALVE RATING (MBH) 510 510 510 510 510
RELIEF VALVE PRESSURE RATING (PSI) 3030303030

GAS

INLET CONNECTION 1/2” 1/2” 1/2” 1/2” 3/4”
MAX. INLET PRESSURE, NAT 10.5” w.c. 10.5” w.c. 10.5” w.c. 10.5” w.c. 10.5” w.c.
MIN. INLET PRESSURE, NAT 4.0” w.c. 4.0” w.c. 4.0” w.c. 4.0” w.c. 4.0” w.c.
MAX. INLET PRESSURE, LP 13.0” w.c. 13.0” w.c. 13.0” w.c. 13.0” w.c. 13.0” w.c.
MIN. INLET PRESSURE, LP 8.0” w.c. 8.0” w.c. 8.0” w.c. 8.0” w.c. 8.0” w.c.
BTU/HR INPUT 80,000 105,000 150,000 210,000 285,000
BTU/HR OUTPUT (HIGH FIRE) 72,000 97,000 135,000 190,000 260,000
BTU/HR OUTPUT (LOW FIRE) 14,400 19,400 27,000 38,000 52,000

ELECTRICAL

VOLTAGE/HEATER 120 120 120 120 120
VOLTAGE/CONTROL 2424242424
TOTAL AMPS 0.5 0.5 1.0 1.2 1.5
# OF ELECTRICAL CONNECTIONS 11111

DIMENSIONS

HEIGHT 33-1/4” 33-1/4” 33-1/4” 33-1/4” 42-1/2”
WIDTH 15-1/2” 15-1/2” 15-1/2” 15-1/2” 15-1/2”
DEPTH 14” 14” 18” 22-1/4” 19-3/4”

SERVICE CLEARANCES

FRONT 24” 24” 24” 24” 24”
BACK 14” 14” 14” 14” 14”
RIGHT SIDE 0” 0” 0” 0” 0”
LEFT SIDE (PIPING) 24” 24” 24” 24” 24”
TOP 24” 24” 24” 24” 24”

DIRECT VENTING

SIZE 3” 3” 3” 3” 4”
VENT CATEGORY IV IV IV IV IV
VENT MATERIAL PVC PVC PVC PVC PVC

KB-PS-08 (Replaces KB-PS-07)

Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: [phone]

www.Lochinvar.com

06/10-Printed in U.S.A.