American Water Heater 6510238 - Manual (Page 16)

Water Heater Location
· Centrally located with the water piping system.
Located as close to the gas piping and vent pipe
system as possible.
· Located indoors and in a vertical position. Protected
from freezing temperatures.
· Proper clearances from combustible surfaces
maintained and not installed directly on a carpeted
floor.
· Provisions made to protect the area from water
damage. Drain pan installed and piped to an
adequate drain.
· Installation area free of corrosive elements and
flammable materials.
· Sufficient room to service the water heater.
· Water heater not located near an air moving device.
Gas Supply and Piping
· Gas supply is the same type as listed on the water
heater data plate.
· Gas line equipped with shut-off valve, union and
drip leg.
· Approved pipe joint compound used.
· Adequate pipe size and of approved material.
· Chloride-free soap and water solution or other
approved means used to check all connections
and fittings for possible gas leaks.
INSTALLATION CHECKLIST
16
Water System Piping
· Temperature and pressure relief valve properly
installed with a discharge line run to an open drain
and protected from freezing.
· All piping properly installed and free of leaks.
· Heater completely filled with water.
· Closed system pressure build-up precautions
installed.
· Tempering valve installed per manufacturer’s
instructions.
Combustion Air Supply and Ventilation
· Must not come from a corrosive atmosphere.
Vent Pipe System
· Proper location on an outside wall selected for
Through the Wall Venting.
· “A” Dimensions determined per water heater to
determine whether a Vertical Extension kit is
needed.
· Optional Vertical Extension Kit Installed (if
necessary).
· Heater centered directly under the roof opening
for Through the Roof Venting.
· Through the roof venting has a 15 foot maximum
height for the 50 Gallon direct vent water heater
and a maximum of 14’ 3-1/4” for the 40 Gallon
direct vent water heater.