Product Overview

WH-055 WH-085 WH-110 WH-155 WH-199 WH- 285 WH-399
WATER
GALLON CAPACITY 2.5 2.5 3.5 3.5 5.0 5.0 6.5
HEATING SURFACE (SQ. FT.) 5.92 8.33 10.00 14.07 15.66 21.60 36.58
WATER CONNECTIONS 1" 1" 1" 1" 1-1/4" 1-1/4" 1-1/2"
20°F ∆T WATER FLOW (GPM) 5 8 10 15 19 27 38
HEAD LOSS (FT. OF HD.) 0.27 0.94 1.53 3.50 1.13 2.42 1.42
35°F ∆T WATER FLOW (GPM) 3569111622
HEAD LOSS (FT. OF HD.) 0.10 0.37 0.55 1.45 0.38 0.85 0.48
MAX. WORKING PRESSURE (PSI) 80 80 80 80 80 80 80
# OF RELIEF VALVES 1111111
RELIEF VALVE SIZE 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
RELIEF VALVE RATING (MBH) 535 535 535 535 535 535 535
RELIEF VALVE PRESSURE RATING (PSI) 30 30 30 30 30 30 30
GAS
INLET CONNECTION 1/2" 1/2" 1/2" 1/2" 1/2" 1/2" 3/4"
MAX. INLET PRESSURE, NAT 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" 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. 4.0" w.c. 4.0" w.c.
MAX. INLET PRESSURE, LP 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" w.c. 14.0" 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. 8.0" w.c. 8.0" w.c.
BTU/HR INPUT 55,000 85,000 110,000 155,000 199,999 285,000 399,999
BTU/HR OUTPUT (HIGH FIRE) 52,250 80,750 104,500 147,250 189,999 270,750 379,999
BTU/HR OUTPUT (LOW FIRE) 10,450 16,150 20,900 29,450 38,000 54,150 76,000
ELECTRICAL
VOLTAGE/HEATER 120 120 120 120 120 120 120
VOLTAGE/CONTROL 24 24 24 24 24 24 24
TOTAL AMPS 0.5 0.5 0.5 0.5 1.5 1.5 2.0
# OF ELECTRICAL CONNECTIONS 1111111
DIMENSIONS
HEIGHT 33-1/4" 33-1/4" 33-1/4" 33-1/4" 33-1/4" 33-1/4" 35-1/2"
WIDTH 18-1/2" 18-1/2" 18-1/2" 18-1/2" 18-1/2" 18-1/2" 25"
DEPTH 16" 16" 19" 19" 19" 19" 21-3/4"
SERVICE CLEARANCES
FRONT 24" 24" 24" 24" 24" 24" 24"
BOTTOM 24" 24" 24" 24" 24" 24" 24"
RIGHT SIDE 0" 0" 0" 0" 0" 0" 0"
LEFT SIDE 24" 24" 24" 24" 24" 24" 24"
TOP 6" 6" 6" 6" 6" 6" 6"
DIRECT VENTING
SIZE 2" 2" 3" 3" 3" 3" 4"
VENT CATEGORY IV IV IV IV IV IV IV
VENT MATERIAL PVC/CPVC/SS PVC/CPVC/SS PVC/CPVC/SS PVC/CPVC/SS PVC/CPVC/SS PVC/CPVC/SS PVC/CPVC/SS
WH-PS-02
KNIGHT
®
WALL MOUNT BOILER PRODUCT SUMMARY
(WH) 55,000 - 399,999 BTU/HR
Lochinvar, LLC • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: [phone]
www.Lochinvar.com
11/12-Printed in U.S.A.