Installation considerations – State GPH-90N User Manual
Page 9
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Capacity, Gas and Electrical Characteristics
Model
Approx. Capacity
Input
Gas
Type
Gas Supply Pressure
Manifold Pressure
Electrical Characteristics
U.S. Gals.
Litres
BTU/hr
Max.
in. WC (kPa)
Min.
in. WC (kPa)
in. WC (kPa)
Volts/Hz
Amperes
GPH-90N
25
94.6
100,000
Nat.
14.0 (3.49)
5.0 (1.25)
4.2 (1.05)
120/60
2.5
Minimum gas supply pressure must be maintained under both load and no load (dynamic and static) conditions.
Manifold Pressure is preset on the gas valve by the manufacturer; DO NOT ATTEMPT TO ADJUST!
Thermal effi ciency is 90%.
If the hardness of your water supply is more than of 12 grains per gallon (200 mg/L), if your water supply is acidic or otherwise impure,
the water supply must be treated with approved methods in order to ensure full warranty coverage. Problems resulting from the forma-
tion of scale are not covered by the warranty.
Minimum Clearance To Combustibles
Service Clearance
Test Pressure
P.S.I.
Top
Front
Vent
Back
Sides
Floor
Front
Sides
0
0
0
0
0
0
21” (53.3 cm)
12” (30.5 cm)
300
This appliance must be installed in accordance with local codes or, in the absence of local codes, the “National Fuel Gas Code” ANSI
Z223.1/NFPA 54 or the “Natural Gas and Propane Installation Code” CAN/CSAB149.1.
Not for installation in a Manufactured Home (Mobile Home).
This water heater is suitable for water (potable) heating only.
This water heater is suitable for installation in a closet or alcove.
ROUGH IN DIMENSIONS
FIGURE 2
INSTALLATION CONSIDERATIONS
Left Side View
Top View