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PLACE THE BOILER
Table 2.2: Tankless Coil Ratings
Heater No.
X-1020
Model
GPM
Location
LC-04
5.5
LC-05R
5.62
LC-05
5.75
LC-06
6.25
LC-07
6.5
LC-08
7.0
LC-09
7.25
LC-10
7.5
LC-11
8.0
LC-12
–
LCE-13
–
LCE-14
–
LCE-15
–
LCE-16
–
LCE-17
–
LCE-18
–
LCE-19
–
LCE-20
–
LCE-21
–
LCE-22
–
LCE-23
–
LCE-24
–
Above heater ratings are based on intermittent demand for water from 40
Steam boilers require a special rear section with coil opening in order to use two tankless heaters.
DANGER: Install mixing valve in hot water supply piping. Water temperature over 125°F can cause severe burns instantly or death from scalds.
18
Heater No.
X-1021
GPM
Location
GPM
1
–
–
1
6.5
1
1
7.0
1
1
7.75
1
1
8.5
1
13.0
1
9.25
1
13.75
1
10.0
1
14.5
1
10.75
1
15.5
1
11.50
1
16.5
–
12.25
1
17.5
–
13
1
18.0
–
13
1
18.75
–
13
1
19.5
–
13
1
20
–
13
1
20
–
13
1
20
–
13
1
20
–
13
1
20
–
13
1
20
–
13
1
20
–
13
1
20
–
13
1
20
Heater No.
Two Heaters No.
X-1022
X-1020
Location
GPM
Location
–
–
–
–
–
–
–
–
–
–
–
–
1
–
1
–
1
14.5
1 & 3
1
15.0
1 & 3
1
16.0
1 & 3
1
–
1
–
1
–
1
–
1
–
1
–
1
–
1
–
1
–
1
–
1
–
1
–
1
–
°
°
°
F to 140
F with 200
F boiler water.
Two Heaters No.
Two Heaters No.
X-1021
GPM
Location
GPM
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
21.5
1 & 3
23.5
1 & 3
–
24.5
1 & 3
–
26
1 & 3
–
26
1 & 3
–
26
1 & 3
33.5
–
26
1 & 3
35.5
–
26
1 & 3
37.5
–
26
1 & 3
39.5
–
26
1 & 3
40
–
26
1 & 3
40
–
26
1 & 3
40
–
26
1 & 3
40
–
26
1 & 3
40
–
26
1 & 3
40
X-1022
Location
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
1 & 3
1 & 3
1 & 3
1 & 3
1 & 3
1 & 3
1 & 3
1 & 3
1 & 3
1 & 3
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