Brochure

6868
13-3/4” (350 mm) 10-1/2” (266.5 mm)
5-7/16” (137.7 mm)
19-1/2” (495.7 mm)
20-1/2” (520 mm)
6-3/8”
(162.3 mm)
7-9/16”
(192.3 mm)
4-1/4”
(107.8 mm)
5-11/16”
(145 mm)
Cold 1-5/8” (42.0 mm)
Hot 4-1/8” (105.4 mm)
120 VAC 2-1/4” (57 mm)
Gas 4-13/16” (122.1)
1.0” (25.5 mm)
5-7/16” (137.7 mm)
Top view
Front view Side view
Boom view
*Indoor models only. Units are field convertible from natural gas to propane with supplied
conversion kit.
**For propane models, minimum inlet gas pressure is 8.0 in. W.C. and maximum inlet gas
pressure is 14.0 in. W.C.
† Cold climate represents 70°F temperature rise
‡ Warm climate represents 50°F temperature rise
Model
Number*
Gas Consumption Input Inlet Gas Pressure**
Minimum
(BTU/H)
Maximum
(BTU/H)
Minimum (in.
W.C.)
Maximum (in.
W.C.)
ATI-110C-N
15,000 140,000 4.0 10.5
ATI-310C-N
15,000 190,000 4.0 10.5
ATI-510C-N
15,000 199,000 4.0 10.5
Model
Number*
Energy
Factor
(EF)
Connections
Sizing Chart
(Number of Showers)
Water Gas
Cold
Climate†
Warm
Climate‡
ATI-110C-N
0.82 3/4” NPT 3/4” NPT 1.5 2.5
ATI-310C-N
0.82 3/4” NPT 3/4” NPT 2.5 3.5
ATI-510C-N
0.82 3/4” NPT 3/4” NPT 2.5 3.5
Model
Number*
Clearances (inches)
Approx Shipping
Weight (lbs)
Top Bottom Side Front
ATI-110C-N
12 12 3 4 55
ATI-310C-N
12 12 3 4 55
ATI-510C-N
12 12 3 4 55