Raytherm - type wh, A/2 l, Model – Raypak Raytherm - Type WH 962-1826 User Manual
Page 2

Catalog No.: 3500.23D
Effective: 1-15-08
Replaces: 7-15-04
Raytherm - Type WH
Models 962-1826
Model
11 3/4
14 1/2
5
A/2
L
1 1/8
COMBUSTIBLE FLOOR SHIELD
14
5 1/8
2 1/2
G
GAS
ELEC.
CONN.
27 3/4
C
J
B
11 1/4
6
32 1/2
19 1/2
(J-BOX)
PUMP
(OPTIONAL)
H
IN
OUT
K
INDOOR
DRAFT
HOOD
11 1/8
(OPTIONAL)
MODELS 962 THRU 1826
Dimensions
(Inches)
Model MBTUH
Overall
Jacket
Gas
Water
Flue
Shipping
Weight
No. Natural
Gas
Width
Height
Height
Conn. Conns.
Dia.
Lbs.
(Approx.)
Input
Output
A B C G H J K
L
Less
Pump
w/Pump
WH-962 961.7 788.6
52-3/8
76-1/8
33-1/2
1
2-1/2
23-5/8
14
28 705 760
WH-1125 1124.7 922.0 59-1/4 78-1/8 33-1/2 1 2-1/2
23-5/8
16 32 745
800
WH-1223 1222.5 1002.4 63-5/8 78-1/8 33-1/2 1-1/4 2-1/2 23-5/8 16 32
805
860
WH-1336 1336.6 1096.0 68-5/8 80-1/8 33-1/2 1-1/4 2-1/2 23-5/8 18 36
875
930
WH-1468 1467.0 1203.0 74-7/8 80-1/8 33-1/2 1-1/4 2-1/2 23-5/8 18 36
945
1000
WH-1631 1630.0 1336.6 81-1/8 83-1/8 36-1/2 1-1/4 2-1/2 23-5/8 18 36
985
1040
WH-1826 1825.6 1497.0 89-3/8 85-1/8 36-1/2 1-1/4 2-1/2 23-5/8 20 40
1035
1090
NOTES: Ratings are shown for elevations up to 2,000 feet. For elevations over 2,000 feet, reduce ratings 4% for each 1,000 feet above
sea level.
HEATER RECOVERY RATES (GPH)
Temperature Rise
Model
No.
20°F 30°F 40°F 50°F 60°F 80°F 100°F
WH-962
4733
3156
2367 1893 1578 1183
947
WH-1125
5536 3690 2768 2214 1845 1384 1107
WH-1223
6017 4011 3009 2407 2006 11504
1203
WH-1336
6579 4386 3289 2631 2193 1645 1316
WH-1468
7221 4818 3610 2888 2407 1805 1444
WH-1631
8023 5349 4011 3209 2674 2006 1605
WH-1826
8986 5990 4493 3594 2995 2246 1797
HEATER RATES OF FLOW AND PRESSURE DROPS
20°
∆T 30°
∆T 40°
∆T
Model
No.
GPM
∆P (ft) GPM ∆P (ft) GPM ∆P (ft)
WH-962 79 8.5 53 3.8 N/A N/A
WH-1125
N/A N/A 61 5.5 46 3.1
WH-1223
N/A N/A 67 7.0 50 3.9
WH-1336
N/A N/A 73 8.6 55 4.9
WH-1468
N/A N/A 80 11.0 60 6.2
WH-1631
N/A N/A 90 14.8 67 8.0
WH-1826 N/A N/A N/A N/A 75 10.6
NOTE: Maximum acceptable flow through heat exchanger tubes
is 90GPM.
Raypak, Inc.
2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (800) 872-9725 www.raypak.com