Navien CR-180 Installation Manual page 44

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o Pressure Relief Valve
o Is there an approved pressu re relief
o Does the rating plate on the pressu re relief
the maximum BTU rating of the water heater?
o Is the pressu re relief
o Has the pressu re relief
exit of the water heater?
o Has a discharge drain tube been installed from the pressu re relief
6-8" of the floor?
o Gas Supply
o Does the gas supply match the water heater's gas type indicated on the rating
plate?
o Is the gas line a minimu m of %"I D (inner diameter)?
o Is the gas supply line length and diameter sufficient to deliver the req uired
BTUs?
o Has the gas supply line pressu re been measu red?
o Is the gas supply pressu re sufficient for proper operation (within the ranges
indicated in the specifications section of this manual)?
o Is the gas line is equipped with manual sh ut-off
o Has the gas line been pressu re tested and/or have all fittings been checked for
leaks?
o Has the gas company inspected the installation (if required)?
valve
installed on the hot water outlet?
valve
valve %"?
valve
been installed on the hot outlet pipe close to the
indicate a BTU level equal to
valve
valve?
to within

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