Technical data
Table Of Contents
- Contents
- About Your Water Heater
- Water Heater Application
- Model Type
- Mains Pressure
- How Hot Should The Water Be?
- Hotter Water Increases The Risk Of Scald Injury
- Temperature Adjustment
- Piezo Ignition
- Pilot Igniter
- Warning
- Safety
- Precautions
- To Turn Off The Water Heater
- To Turn On The Water Heater
- Going On Holidays
- How Do I Know If The Water Heater Is Installed Correctly?
- Victorian Customers
- Does The Water Chemistry Affect The Water Heater?
- How Long Will The Water Heater Last?
- Regular Care
- Water Supplies
- Save A Service Call
- Installation
- Installation Standards
- Water Heater Application
- Water Heater Location
- Indoor Installation
- Outdoor Installation
- SAFE TRAY
- Mains Water Supply
- Tank Water Supply
- Hot Water Delivery
- Circulated Hot Water Flow And Return System
- Reducing Heat Losses
- Anode
- Saddling - Pipe Work
- Dimensions And Technical Data
- Typical Installation – Outdoor Location
- Typical Installation – Indoor Location
- Connections – Plumbing
- Multiple Installations
- Commissioning
- Lighting The Water Heater
- Draining The Water Heater
- Rheem Heavy Duty Gas Mains Pressure Water Heater Warranty - Australia Only
- 1. The Rheem Warranty – General
- 2. Terms Of The Rheem Warranty And Exclusions To It
- 3. What Is Covered By The Rheem Warranty For The Water Heaters Detailed In This Document
- 4. Entitlement To Make A Claim Under This Warranty
- 5. How To Make A Claim Under This Warranty
- 6. The Australian Consumer Law

ABOUT YOUR WATER HEATER
6
PRECAUTIONS
Where damage to property can occur in the event of the water heater leaking, the water heater must be
installed in a safe tray. Construction, installation and draining of a safe tray must comply with AS/NZS 3500.4
and all local codes and regulatory authority requirements.
The water heater must be maintained in accordance with the Owner‟s Guide and Installation Instructions.
Refer to “Regular Care” on page 8 and to “Anode Inspection and Replacement” on page 12.
If this water heater is to be used where an uninterrupted hot water supply is necessary for your application or
business you should ensure that you have back up redundancy within the hot water system design. This
should ensure the continuity of hot water supply in the event that this water heater were to become
inoperable for any reason. We recommend you seek advice from your plumber or specifier about your needs
and building back up redundancy into your hot water supply system.
TO TURN OFF THE WATER HEATER
If it is necessary to turn off the water heater:
Shut down the gas control (refer to “Close Down Procedure” on page 35).
Close the gas isolation valve at the inlet to the gas control.
Close the cold water isolation valve at the inlet to the water heater.
TO TURN ON THE WATER HEATER
Open the cold water isolation valve fully at the inlet to the water heater.
Open the gas isolation valve fully at the inlet to the gas control.
Light the water heater (refer to “Lighting the Water Heater” on page 33).
GOING ON HOLIDAYS
If you are going on holiday for more than a few days the thermostat can be set to the “” (pilot) position to
conserve energy (refer to point 1 of “Close Down Procedure” on page 35). If it is necessary to turn off the
water heater, refer to “To Turn Off The Water Heater” on page 6.
HOW DO I KNOW IF THE WATER HEATER IS INSTALLED CORRECTLY?
Installation requirements are shown on pages 16 to 24. The water heater must be installed:
by a qualified person, and
in accordance the installation instructions, and
in compliance with Standards AS/NZS 3500.4, AS 5601 or AS/NZS 5601.1, as applicable under local
regulations, and all local codes and regulatory authority requirements.
In New Zealand the installation must also conform with the New Zealand Building Code.
VICTORIAN CUSTOMERS
Notice to Victorian Customers from the Victorian Plumbing Industry Commission. This water heater must be
installed by a licensed person as required by the Victorian Building Act 1993.
Only a licensed person will give you a Compliance Certificate, showing that the work complies with all the
relevant Standards. Only a licensed person will have insurance protecting their workmanship for 6 years.
Make sure you use a licensed person to install this water heater and ask for your Compliance Certificate.










