15
Venting
thermally or otherwise must be removed if its use inhibits proper
drafting of the water heater.
may not be high enough to properly open thermally operated
may cause carbon monoxide poisoning.
with the current edition of the American National Standard
consult your local Sears Service Center or the local gas supplier
for further information.
correct vent pipe diameter must be utilized. Any additions or
deletions of other gas appliances on a common vent with this
water heater may adversely affect the operation of the water
heater. Consult your gas supplier if any such changes are
planned.
vent
pipe may be necessary. Consult your local Sears Service Center
or gas supplier to aid you in determining the proper venting for
your water heater from the vent tables in the current edition of
the National Fuel Gas Code ANSI Z223.1/NFPA 54.
or
deterioration and replace if needed.
The water heater with draft hood installed must be connected
outdoors. Never operate the water heater unless it is vented
be angled slightly inward.
of the water heater. The legs will snap in the holes to give a
drill a small hole through both the vent pipe and draft hood. Secure
FIGURE 17.
Obstructed or deteriorated vent systems may present serious
The vent pipe from the water heater must be no less than the
diameter of the draft hood outlet on the water heater and must
see Figure 18.
FIGURE 18.
All vent gases must be completely vented to the outdoors of the
new water heater and no other draft hood.
Vent pipes must be secured at each joint with sheet metal
screws.
between single wall vent pipe and any combustible material.
Fill and seal any clearance between single wall vent pipe
pipe with mortar mix cement.
Failure to have required clearances between vent piping and
Be sure vent pipe is properly connected to prevent escape of
