Navien NR-180 Installation Manual page 52

Gas Water Heater Installation
█ Installation Checklist:
 Selecting the location and installing the Water Heater:
 Are the proper clearances from windows, doors and other intake air vents
maintained?
 Is the distance between the Water Heater and point of vent termination
minimized?
 Is distance between Water Heater and major fixtures within the house
minimized?
 Are the proper service clearances maintained?
 Is the make-up air supply sufficient for proper operation of Water Heater?
 Is the make-up air supply free of dust, dirt, corrosive elements and flammable
vapors?
 Is there a drain in close proximity of the Water Heater?
 Are all combustible materials including clothing, cleaning materials, rags, etc.
clear of the Water Heater and vent piping?
 Is the Water Heater securely mounted to the wall?
 Water Supply
 Is the water supply pressure sufficient (should be greater than 40psi)?
 Are there shut off valves on the inlet and outlet to facilitate inlet water filter
cleaning?
 Has the air been bled out of each fixture?
 Has each fixtures been checked to ensure hot water is being supplied?
 Has the inlet water filter been cleaned?
 If a recirculation line has been installed, have all of the hot water pipes and the
recirculation return line been insulated?
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