HANDLING CERAMIC FIBER MATERIALS

Removal of combustion chamber lining:

The combustion chamber insulation in this boiler contains ceramic fiber material. Ceramic fibers can be converted to cristobalite in very high temperature applications. The International Agency for Research on Cancer (IARC) has concluded, “Crystalline silica in the form of quartz or cristobalite from occupational sources is carcinogenic to humans (Group 1).” Normal operating temperatures in this boiler are below the level to convert ceramic fibers to cristobalite.

The ceramic fiber material used in this boiler is an irritant; hence when handling or replacing the ceramic materials it is advisable that the installer follow these safety guidelines.

1.Avoid breathing dust and contact with skin and eyes.

•Use NIOSH certified dust respirator (N95). This type of respirator is based on the OSHA requirements for cristobalite at the time this document was written. Other types of respirators may be needed depending on the job site conditions. Current NIOSH recommendations can be found on the NIOSH website at http://www.cdc. gov/niosh/homepage.html. NIOSH approved respirators, manufacturers, and phone numbers are also listed on this website.

•Wear long-sleeved, loose fitting clothing, gloves, and eye protection.

2.Apply enough water to the combustion chamber lining to prevent airborne dust.

3.Remove the combustion chamber lining from the boiler and place it in a plastic bag for disposal.

4.Wash potentially contaminated clothes separately from other clothing. Rinse clothes washer thoroughly.

NIOSH stated First Aid:

•Eye: Irrigate immediately.

•Breathing: Fresh air.

REPLACEMENT PARTS

Replacement parts may be ordered through A. O. Smith dealers, authorized servicers or distributors. Refer to the Yellow Pages for where to call or contact (in United States) the A. O. Smith

Water Products Company, 500 Tennessee Waltz Parkway, Ashland City, TN 37015, 1-800-433-2545 or (in Canada) A. O. Smith Enterprises Ltd., 599 Hill Street West, Fergus, ON N1M2X1, 1-888-479-2837. When ordering parts be sure to state the quantity, part number and description of the item including the complete model and serial number as it appears on the product. Refer to the parts list for more information.

For Technical Assistance call A. O. Smith Technical Information Center at 1-800-527-1953.

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A.O. Smith 2000, 3400, 2600, 1700 instruction manual Handling Ceramic Fiber Materials, Replacement Parts
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3400, 1700, 2000, 2600 specifications

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