Navien CH-180 Installation Manual - Installation Checklist:

 Installation Checklist:

Are the proper clearances from windows, doors and other intake vents

maintained?

Is the distance between the combination Water Heater / Heating Boiler 

and point of vent termination minimized?

Is distance between combination Water Heater / Heating Boiler and major 

fixtures within the house minimized?

Are the proper service clearances maintained?

Is the make-up air supply sufficient for proper operation of the combination 

Water Heater / Heating Boiler?

Is the make-up air supply free of dust, dirt, corrosive elements and flammable 

vapors?

Is there a drain in close proximity of the combination Water Heater / 

Heating Boiler?

Are all combustible materials including clothing, cleaning materials, rags, etc. 

clear of the combination Water Heater / Heating Boiler and vent piping? 

Is the combination Water Heater / Heating Boiler securely mounted to the wall?

Selecting the location and installing the combination Water Heater / 

Heating Boiler:

Is the water supply pressure sufficient (should be greater than 40psi)?

Are there shut-off valves on the inlet and outlet to facilitate cold water inlet 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 cold inlet water filter been cleaned?

If a recirculation line has been installed, have all of the hot water pipes and the

recirculation return lines been insulated?

Water Supply

INSTALLATION CHECKLIST

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