EasyManua.ls Logo

Ariston ARI POU-12 - User Manual

Ariston ARI POU-12
19 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
Installation
Start-Up
Maintenance
Parts
Warranty
This manual must only be used by a qualied installer / service technician. Read all instructions in this manual before installing.
Perform steps in the given order. Failure to do so could result in substantial property damage, severe personal injury, or death.
Ariston reserves the right to make product changes or updates without notice and will not be held liable for typographical
errors in literature.
NOTE TO CONSUMER: PLEASE KEEP ALL INSTRUCTIONS FOR FUTURE REFERENCE.
272 Duchaine Blvd. New Bedford, MA 02745 ariston.com
lp-772 Rev. 000 Rel. 000 Date 3.17.21
The surfaces of these products contacted by potable (consumable) water contain less than 0.25% lead by weight as required
by the Safe Drinking Water Act, Section 1417.
Use and Care Manual
California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer, birth
defects, or other reproductive harm.
Glass-Lined Residential
Electric Water Heaters
Point of Use Models
Example Model # ARI POU-06 120V 1500W

Questions and Answers

  • S
    Steven WhiteAug 8, 2025
    How to fix Ariston Water Heater with no hot water?
    • K
      kbrownAug 8, 2025
      If your Ariston Water Heater isn't providing hot water, start by checking if the manual disconnect switch is turned off and turn it on. Also, inspect the fuse or circuit breaker; replace the fuse or reset the breaker if necessary. Other potential causes include shorted or improper wiring, an overloaded circuit, or a grounded element or thermostat, which may require replacement, repair, or rewiring.
  • C
    Catherine ChavezAug 13, 2025
    How to fix water leaks in Ariston Water Heater?
    • S
      Shelley Clark DDSAug 13, 2025
      If your Ariston Water Heater is leaking, check for loose connections between the inlet/outlet piping, relief valve, and/or hex nut union on the tank fittings and tighten them. Also, inspect the seal ring washers for damage and replace them as needed. Examine the gasket around the heating element and replace it if necessary.
  • S
    samantharayAug 18, 2025
    Why Ariston Water Heater is not providing enough hot water?
    • D
      Daniel HughesAug 18, 2025
      If your Ariston Water Heater isn't providing enough hot water, the heater might be undersized, so reduce the rate of hot water usage. Another cause could be a defective element, which would require checking the amperage and replacing the element if it's low. Also, a miswired or defective thermostat might be causing only one element to work, so check the wiring or replace the thermostat.
  • S
    Samantha LewisAug 23, 2025
    What to do if the T&P valve is discharging in my Ariston Water Heater?
    • K
      Karen NelsonAug 23, 2025
      If the T&P valve on your Ariston Water Heater is discharging, try opening and closing the handle to reseat the valve. If that doesn't work, thermal expansion in a closed water system might be the cause, requiring the installation of a thermal expansion tank. A damaged or defective valve may also be the culprit, necessitating replacement. Remember, never plug the T&P valve under any circumstances.
  • L
    leenatashaAug 27, 2025
    Why is the water from my Ariston Water Heater too hot?
    • M
      Miguel SalinasAug 28, 2025
      If the water from your Ariston Water Heater is too hot or not hot enough, the thermostat setting may be too high or too low; adjust it as needed. If that doesn't solve the issue, the thermostat might be out of calibration and require replacement. Ensure the thermostat access panel is in place, replacing it if necessary. Also, verify that the thermostat is resting tightly against the mounting plate, ensuring the retaining spring or mounting screws hold it securely.
  • J
    Jose McmillanSep 1, 2025
    Why is my Ariston ARI POU-12 making noise?
    • A
      Amber JohnsonSep 1, 2025
      If your Ariston Water Heater is making noise, it might be due to hard water scale buildup on the element; in this case, remove and clean the element. Internal heat trap fittings in operation can also produce noise, which is normal and doesn't indicate a need for service.

Summary

Part 1 - General Safety Information

Part 2 - Prepare the Water Heater

Locating the Water Heater

Guidelines for selecting an appropriate installation location.

Water Chemistry Requirements

Part 3 - Piping

Plumbing

General plumbing requirements and best practices for installation.

Thermal Expansion

Explanation and management of thermal expansion in the system.

Temperature and Pressure Relief Valve

Scalding

Part 4 - Wiring

Part 5 - Installation Checklist

Part 6 - Operation

Thermostat Adjustment and ECO Reset

Procedures for adjusting temperature and resetting the ECO.

Heating Element Replacement Procedure

Step-by-step guide for replacing the heating element.

Part 7 - Maintenance

Part 8 - Troubleshooting

Residential Glass Lined Point of Use Electric Water Heater Six (6) Year Limited Warranty

Procedures for Warranty Service Requests

Customer Installation Record Form

Ariston ARI POU-12 Specifications

General IconGeneral
BrandAriston
ModelARI POU-12
CategoryWater Heater
LanguageEnglish

Related product manuals