Raypak WH1-122 User Manual
COMMERCIAL DOMESTIC WATER
120,000 TO 320,000 BTUH INPUT
OUTDOOR/INDOOR
HI DELTA MODELS 122-322
Optional pump
shown.
• All copper and bronze waterways
• Ultra-low NOx (less than 30ppm)
• 85% efficiency – ANSI Z21.10.3
• Internal ignition fault indicator LED
• Hot-surface ignition with remote sensing
• Lightweight alumina-silica combustion
chamber
• Small vent sizes
• Combustion air filter
• Vertical or horizontal vent
• Certified for 70 ft. effective length sidewall
venting (includes vent termination cap)
• TruSeal™ – meets ASHRAE 15-1994, section
8.13.6 for direct vent
• 20-year warranty against thermal shock
• Dependable tube sheet and “O” ring heat
exchanger construction
• Single-stage fire
Options
• Bronze or cast iron pump
• Vent termination
• Category III vent adapter
• 2-stage firing
Model
No.
MBTUH A
B
H
K T
Shipping Wt.*
Lbs. (Approx.)
INPUT OUTPUT WIDTH NPT
WH1-122 120 102 24-7/8 10-3/4 1-1/4 4 5 225
WH1-162 160 136 28-1/2 12-9/16 1-1/4 5 5 240
WH1-202 199 169 32-1/8 14-3/8 1-1/4 5 5 255
WH1-242 240 204 35-1/2 16-3/16 1-1/2 5 5 270
WH1-322 320 272 42-5/8 19-13/16 1-1/2 6 5 300
Catalog No.: 3000.12G Effective: 10-01-05 Replaces: 03-15-05
Raypak, Inc. reserves the right to make product changes
or improvements at any time without notice.
©2005 Raypak, Inc.
Raypak Inc.
2151 Eastman Ave.
Oxnard, CA 93030
(805) 278-5300
Fax (800) 872-9725
www.raypak.com
COMMERCIAL DOMESTIC WATER
Raypak Canada Limited
2805 Slough St., Mississauga
Ontario, Canada L4T 1G2
(905) 677-7999
Fax (905) 677-8036
www.raypakcanada.com
SPECIFICATIONS - MODELS 122 THROUGH 322
Dimensions are in inches.
Ratings shown for elevations up to 5,000 feet for natural or propane gas.
For installation at elevations over 5,000 feet, please contact manufacturer.
SEE
PUMP
CHART
A
B
7-15/16
19-3/4
26-1/8
18
8-1/2
3-3/4
13-1/4
K FLUE CONNECTION
T COMBUSTION AIR
H WATER IN
H WATER OUT
GAS CONNECTION 3/4 NPT
ELECTRICAL CONNECTION
OPTIONAL GAS CONNECTION
OPTIONAL ELECTRICAL CONNECTION
15-13/16
10-3/8
11
16-3/4
TOP
FRONT RIGHT SIDELEFT SIDE
OPTIONAL
TACO PUMP DIMS.
0010
0012
1600
1630
9-1/2"
11-5/8"
14"
19-1/4"
10-5/8
Fig. 9382
* Less pump
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