Raypak 926-1758 Water Heater User Manual


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Catalog No.: 3500.22B Effective: 1-15-08 Replaces: 7-15-04
Raytherm - Type WH
Models 926-1758 Model
HEATER RECOVERY RATES (GPH)
Model Tem
p
erature Rise
No. 20°F 30°F 40°F 50°F 60°F 80°F 100°F
WH-926 4558 3038 2279 1823 1519 1139 912
WH-1083 5330 3554 2665 2132 1777 1333 1066
WH-1178 5798 3865 2899 2319 1933 1450 1160
WH-1287 6335 4223 3167 2534 2112 1584 1267
WH-1414 6955 4636 3477 2782 2318 1739 1391
WH-1571 7727 5152 3864 3091 2576 1932 1545
WH-1758 8653 5769 4326 3461 2884 2163 1731
HEATER RATES OF FLOW AND PRESSURE DROPS
Model
20° ∆T 30° ∆T 40°
∆
T
No. GPM
∆P
(
ft
)
GPM
∆P
(
ft
)
GPM
∆
P
(
ft
)
WH-926 76 8.0 51 3.5 N/A N/A
WH-1083 89 11.7 59 5.1 44 2.9
WH-1178 N/A N/A 64 6.3 48 3.6
WH-1287 N/A N/A 70 8.0 53 4.5
WH-1414 N/A N/A 77 10.2 58 5.8
WH-1571 N/A N/A 86 13.2 64 7.3
WH-1758 N/A N/A N/A N/A 72 9.7
NOTE: Maximum acceptable flow through heat exchanger tubes
is 90GPM.
MODELS 926 THRU 1758
Dimensions
(
Inches
)
Model MBTUH Gas Wate
r
Shipping Weight
No. Natural Gas
Width Conn. Conns.
Lbs. (Approx.)
Input Output
A
G H Less Pump w/Pump
WH-926 926.0 759.0 52-3/8 1 2-1/2 785 840
WH-1083 1083.0 888.0 59-1/4 1 2-1/2 865 920
WH-1178 1178.0 966.0 63-5/8 1 2-1/2 925 980
WH-1287 1287.0 1055.0 68-5/8 1-1/4 2-1/2 980 1035
WH-1414 1413.0 1158.5 74-7/8 1-1/4 2-1/2 1080 1130
WH-1571 1570.0 1287.0 81-1/8 1-1/4 2-1/2 1130 1190
WH-1758 1758.0 1441.5 89-3/8 1-1/4 2-1/2 1160 1220
NOTE: Ratings shown are for elevations up to 2,000 feet. For elevations over 2,000 feet, reduce ratings
4% for each 1,000 feet above sea level.
Raypak, Inc. 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 www.raypak.com
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