Ariston GL 4, GL 2.5 User Manual
Electric Mini Tank
Water heaters
GL 2.5 - GL 4 - GL 6+
The installer should review the contents of this manual with the owner upon
completion of installation, and the manual should be left with the owner and placed in
a location close to the installation.
IMPORT
ANT SAFETY INSTRUCTIONS
When using electrical appliances, safety precautions to reduce the risk of fire, electric
shock or injury to persons should be followed, including:
1. READ ALL INSTRUCTIONS BEFORE USING THIS WATER HEATER.
2. This water heater must be grounded. Connect only to properly grounded outlet.
See “GROUNDING INSTRUCTIONS” found on “INSTALLATION INSTRUCTIONS”.
3. Install or locate this water heater only in accordance with the provided installation
instructions.
4. Use this water heater only for its intended use as described in this manual.
5. Do not use an extension cord set with this water heater. If no outlet is available
adjacent to the water heater, contact a qualified electrician to have one properly
installed.
6. As with any appliance, close supervision is necessary when used by children.
7. Do not operate this water heater if it is not working properly or if it has been
damaged or dropped.
8. This water heater should be serviced only by qualified service personnel. Contact
a service person for examination, repair or adjustment.
9. Any water heater should be installed in such a manner that if it should leak, the
resulting flow of water will not cause damage to the area in which it is installed.
National Plumbing codes require a drain pan for any water heater installation.
Failure to install one is the sole responsibility of owner and/or installer. Reference
UPC 2000 (Uniform Plumbing Code) Section 510 - Protection from Damage or
IPC 200 (International Plumbing Code) Section 504- Safety Devices.
KEEP THESE INSTRUCTIONS AT HAND
SAVE THESE INSTRUCTIONS
WARNING
MODEL GL 2.5 GL 4 GL 6+
Capacity gallons 2.75 3.85 7.0 (Hor) / 5.1 (Vert)
Voltage Vac 110/120 for each model
Power at 120 Vac Watts 1500 1500 1500
Maximum Water pressure psi 150 150 150
Weight Lbs 15.5 17.3 29.5
Amperage Amps 12.50 for each model
Phases 1 1 1
Technical data
WARNING
1
Temperature & pressure
relief valve, 3/4 NPT male
Temperature & pressure
relief valve, 3/4 NPT male
3/4 NPT female
tapping for
relief valve
3/4 NPT female
tapping
3/4 NPT female
tapping
3/4 NPT female
tapping for
relief valve
Hot water outlet
1/2 NPT male
3/4 NPT female
tapping for
relief valve
FIG. 1/1
Temperature & pressure
relief valve, 3/4 NPT male
Cold water inlet
1/2 NPT male
Temperature &
pressure relief
valve discharge
line to drain
COMPONENT
PARTS OF
GL 2.5 - GL 4
COMPONENT
PARTS OF
GL 6+
(Vertical
installation)
COMPONENT PARTS OF GL 6+
(Horizontal installation)
FIG. 1/2
FIG. 1/3
Temperature &
pressure relief
valve discharge
line to drain
Hot water outlet
3/4 NPT male
Hot water outlet
3/4 NPT male
3/4 NPT male plug
3/4 NPT male plug
Temperature &
pressure relief
valve discharge
line to drain
Cold water inlet
3/4 NPT male
Cold water inlet
3/4 NPT male
2
FIG. 2/1
DIMENSIONS FOR GL 2.5 - GL 4
DIMENSIONS FOR GL 6+ (HORIZONTAL INSTALLATION)
DIMENSIONS FOR GL 6+ (VERTICAL INSTALLATION)
FIG. 2/2
FIG. 2/3
3
GL 2.5
GL 4
14”
10 1/4”
12 1/4”
7 1/2”
3”
6”
3 1/2”
1”
14”
5 1/2”
3 3/4”
2 1/2”
14 1/2”
8 1/2”
4 1/2”
17 1/2”
14 1/2”
8 1/2”
4 1/2”
11 1/2”
17 1/2”
17 1/2”
17 1/2”
11 1/2”
3/4 NPT MALE
3”
1”
1/2 NPT MALE
3/4 NPT MALE
2 1/2”
6 1/2”
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