Manual Name: Cayman Cwi Literature Jan 2016

CWI SERIES - CAYMAN
TECHNICAL SPECIFICATIONS
NATURAL OR LP GAS*
MODEL
NO. OF
SECS.
INPUT
(MBH)
HEATING
CAPACITY
(MBH)
AHRI NET
RATING
(MBH)
AFUE %
DIMENSIONS
(IN)
TANKLESS
HEATER
RATING
(GAL/MIN)
“A”
“B”
“C”
“D”
WATER
VOLUME
(GAL)
CWI103
4
103
86
75
83.1
2.50
16
28
40-7/16
5
10.0
CWI138
5
138
115
100
83.1
3.00
19-1/4
28
40-7/16
6
12.2
CWI172
6
172
144
125
83.2
3.50
22-1/2
28
40-7/16
6
14.4
CWI207
7
207
173
150
83.2
3.75/4.50
25-3/4
30
40-7/16
7
16.6
CWI241
8
241
201
175
83.2
3.75/4.75***
29
30
40-7/16
7
18.8
CWI276
9
276
230
200
83.2
4.00/5.25***
32-1/4
30
40-7/16
8
21.0
CWI311
10
310
252
219
81.4**
4.00/5.25***
35-1/2
30
45-7/16
8
23.2
CWI346
11
345
281
244
81.4**
4.00/5.25***
38-3/4
30
45-7/16
9
25.4
CWI380
12
379
309
269
81.4**
4.00/5.25***
42
30
45-7/16
9
27.6
*CWI311–CWI380 not available for use with LP gas.
**Thermal efficiency
***Rating with optional “high capacity” tankless heater
1. USA - For altitudes above 2,000 ft. ratings should be reduced at the rate of 4% for each 1,000 ft above sea level.
2. AHRI Net Ratings shown are based on a piping and pick-up allowance of 1.15.
All residential cast iron water boilers include a full one year
warranty. A limited, lifetime warranty is provided for the
cast iron heat exchanger. A 5-year and a 10-year extended
warranty covering parts and labor are also available. Visit
VelocityBolierWorks.com for complete details.
The Mega-Stor® indirect water heater utilizes the
energy created by your boiler to produce abundant
hot water for your home. Mega-Stor water heaters
come in a variety of sizes from 26 to 119 gallons to
meet a multitude of residential and commercial
needs.
CWI103-276 available with domestic coil only.
CWI311-380 available with or without domestic coil.
ADDITIONAL FEATURES/BENEFITS
• Available with natural or LP gas
• Roll-out switch; blocked vent switch; ASME relief valve (30 PSI)
• High performance circulator
• Alternate 2” return tapping
Specifications are subject
to change without notice.
CWI – 11/15
PN980532 – R3