American Water Heater 50-60K BTU, 40-42K BTU Vent Pipe System, Venting, Vent Pipe Material

VENT PIPE SYSTEM

WARNING

Carbon Monoxide Warning

Follow all the local and state codes or, in the absence of local and state codes, the “National Fuel Gas Code”, ANSI Z223.1 (NFPA 54)- latest edition to properly install vent system.

Failure to do so can result in death, explosion, or carbon monoxide poisoning.

Venting

This water heater has a direct vent system in which all air for combustion is taken from the outside atmosphere and all combustion products are discharged to the outdoors.

This water heater must be properly vented for removal of exhaust gases to the outside atmosphere. Correct installation of the vent pipe system is mandatory for the safe and efficient operation of this water heater and is an important factor in the life of the unit.

Vent pipe installation must be performed in accordance with state and local codes, or in the absence of such, the National Fuel Gas Code, NFPA 54, ANSI Z223.1-current edition. IMPORTANT: Check to make sure the vent pipe is not blocked in any way.

NOTE: Do not common vent this water heater with any other appliance. Do not install in the same chase or

chimney with a metal or high-temperature plastic from another gas or fuel burning appliance.

When assembling the air inlet and vent outlet pipe system, BOTH pipe diameters MUST be the same size. For example, if a 2 inch diameter pipe is used on the air inlet pipe then a 2 inch diameter pipe MUST be used on the vent outlet. This requirement also applies to 3 inch diameter piping configurations.

Vent Pipe Material

The following plastic materials may be used for both the combustion air inlet and exhaust outlet piping subject to state and local codes:

•2 or 3 inch Schedule 40 PVC or ABS

•2 or 3 inch Schedule 40 or 80 CPVC

•DWV Pipe is acceptable

NOTE: Use only solid (not foam core) piping. Plastic pipe and fittings are available through most plumbing suppliers. Always check the marking on the pipe to make sure you are using the correct material.

Vent Pipe Connection to Blower

A 3”x2” condensate drain coupler is supplied with every

40-42K BTU model to connect either 2” or 3” venting to the blower. A 3” condensate drain coupler is supplied with every 50-60K BTU model to connect 3” venting to the blower. IMPORTANT: These connections must be properly sealed to prevent the leakage of the products of combustion into the living area. If needed 3”x2” & 3” condensate drain couplers are available through the Parts Department for new installations or retrofits where condensate may run back to the blower.

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