John Wood Direct Vent - Manuel (Page 25)

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INSTALLATION CHECKLIST
Note: Use and complete this checklist before lighting the
heater. Correct any conditions that do not meet these
instructions.
Water Heater Location
 Centrally located with the water piping system.
Located as close to 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. Metal drain pan installed and piped to an
adequate drain.
 Installation area free of corrosive elements, flammable
material and flammable vapour emitting products.
 Sufficient room to service the water heater.
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
sediment trap.
 Adequate pipe size and of approved material.
 Approved pipe joint compound or tape used.
 Chloride-free soap and water solution or other
approved means used to check all connections and
fittings for possible gas leaks.
Vent Pipe System
 Evenly stretched out between water heater and vent
termination hood.
 Smooth bend with adequate support to prevent
sagging, 6.4mm per 305mm (0.25” per foot).
 Inside pipe (3”) and outside pipe (6”) securely
fastened to vent termination hood.
 Vent restricter plate installed on heater flue outlet as
applicable.
 Inside pipe (3”) and outside pipe (6”) securely fastened
to water heater with silicone and gear clamps.
 Not obstructed in any way.
Vent Termination Hood
 Securely fastened to exterior wall.
 Above anticipated snow level or 305mm (12”) above
grade.
 Proper clearances from windows, doors, corners,
other vent openings etc.
 Area around vent termination hood clear and
unobstructed.
 No flammable vapour emitting products stored nearby.
 Safety covers in place (when applicable).
Water System Piping
 Temperature-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.
 Mixing valve installed (when applicable).
After all actions on checklist are checked/
completed, read the Lighting Instructions and
proceed with lighting the heater.