
WATER PIPING - MIXING VALVE USAGE
SUGGESTED PIPING
ARRANGEMENT
FOR TOP
CONNECTIONS
TEMPERED POTABLE WATER
COLD WATER
INLET
THERMAL
EXPANSION
TANK ![]()
MIXING
VALVE
(OPTIONAL)
PIPE INSULATION (RECOMMENDED)
METAL
DRAIN PAN
TEMPERED POTABLE WATER
TEMPERATURE- PRESSURE RELIEF VALVE
DISCHARGE
PIPE (DO NOT CAP OR PLUG)
6 in. (15cm)
MAX.
AIR GAP
DRAIN VALVE | FLOOR |
TO SUITABLE DRAIN | |
| DRAIN |
FIGURE 3 | |
This appliance has been design certified as complying with | CPVC, PEX or polybutylene. DO NOT use PVC water |
ANSI Z21.10.3/CSA 4.3 (latest revision) for water heaters | piping. |
and is considered suitable for: | DO NOT use any pumps, valves, or fittings that are not |
Water (Potable) Heating: All models are considered | compatible with potable water. |
suitable for water (potable) heating. | DO NOT use valves that may cause excessive restriction |
| to water flow. Use full flow ball or gate valves only. |
The Hybrid water heater is a unique design that it combines | DO NOT use any lead based solder in potable water |
the technology of both the storage tank and tankless type | lines. Use appropriate |
water heaters. A tankless water heater ensures a fixed | material. |
constant outlet water temperature, this is achieved by | DO NOT tamper with the gas control/thermostat, igniter, |
modulating the water flow to ensure that this temperature | flammable vapor sensor or temperature and pressure |
is maintained. In the Hybrid the water supply is heated | relief valve. Tampering voids all warranties. Only qualified |
as it flows through the heat exchanger over the burners | service technicians should service these components. |
similar to the tankless water heaters. The heated water is | DO NOT use with piping that has been treated with |
than stored in the top of the storage tank. | chromates, boiler seal, or other chemicals. |
The tank outlet water temperature will be within a maximum | DO NOT add any chemicals to the system piping which |
of 5°F (2.8°C) of the display | will contaminate the potable water supply. |
the call for heat. |
|
If required by local codes or if a higher fixed temperature | HOTTER WATER CAN SCALD: |
is required, a mixing valve can be installed as shown on | Water heaters are intended to produce hot water. Water |
Figure3. | heated to a temperature which will satisfy space heating, |
| clothes washing, dish washing, and other sanitizing needs |
Please note the following: | can scald and permanently injure you upon contact. Some |
The system should be installed only with piping that is | people are more likely to be permanently injured by hot |
suitable for potable (drinkable) water such as copper, | water than others. These include the elderly, children, |
www.americanwaterheater.com | 11 |