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CONNECTIONS – PLUMBING
If a drain line discharges into a tundish, the drain line from the tundish must be
not less than DN20. The drain line from a tundish must meet the same
requirements as for a drain line from a relief valve.
Warning: As the function of the temperature pressure relief valve on this
water heater is to discharge high temperature water under certain conditions, it
is strongly recommended the pipe work downstream of the relief valve be
capable of carrying water exceeding 93°C. Failure to observe this precaution
may result in damage to pipe work and property.
GAS INLET
The gas connection is made through the left hand side near the access cover to
the gas control. The pipe work must be cleared of foreign matter before
connection and purged before attempting to light the water heater. An isolation
valve and disconnection union must be installed to allow servicing and removal
of the water heater.
Remove the yellow warning label from the gas control after connecting the gas
supply pipe.
Note: Refer to the Gas Installations Standard AS/NZS 5601.1 for the correct
method of sizing the gas supply pipe to the water heater. The pipe size selection
must take into account the gas input of this water heater (refer to table on
page 34) as well as all of the other gas appliances in the premises.
Warning: Always isolate the water heater before pressure testing the gas
supply system. Disconnect the water heater after the isolating cock to prevent
the risk of serious damage to the gas control. The Rheem warranty does not
cover damage of any nature resulting from failure to observe this precaution.
Refer to rating label for gas type and pressure.
Caution: Care is necessary when tightening fittings into the gas control. The gas
control casting may crack if the fittings are over tightened. Cracked gas control
castings are not covered under the Rheem warranty. A damaged gas control
must be replaced.
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