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49-6000243 Rev. 0
15
INSTALLATION INSTRUCTIONS
Installation Instructions
Plumbing Connections
NOTICE: It is recommended that this water heater be installed by a licensed and qualified plumber in accordance
with all applicable national, state, and local plumbing codes.
Important Notes for all Models:
DO NOT apply heat to the HOT or COLD water connections. If sweat connections are used, sweat tubing to adapter
to the cold water connections on heater. Any heat applied to the hot or cold water connections can cause permanent
damage to internal heat exchanger.
Flexible water supply Supply hoses are recommended for plumbing installation.
When connecting the water pipes to inlet and outlet connections, use a two wrenches. One wrench to hold the water
heater fittings and another wrench to tighten. The connecting pipes. Any over-tightening of the connection pipes can
cause permanent damage to internal components of water heater.
It is recommended to install a manual shut-off valve at the inlet water connection of the water heater to allow for
easy shut-off in the event that future maintenance or service is needed.
The maximum operating water pressure for this water heater is 150 PSI (1035 kPA). If the pressure in you home
plumbing system is greater than 150 PSI, a pressure reducing valve must be installed on the main water supply line
for the home prior to installing this water heater.
This product does not use a storage tank to maintain hot water, therefore a temperature pressure relief valve (T&P)
is not required for most installations.
However, in some locations local codes may require a T&P valve for installation. If one is required, install in
accordance with local codes and ensure it operates correctly.
Only potable water can be used with this water heater. Do not install in locations with pool or spa water, or any
locations where chemically treated water can be introduced into the system.
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