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ASTM E1998-02(2007)

Historical Reaffirmation

Standard Guide for Assessing Depressurization-Induced Backdrafting and Spillage from Vented Combustion Appliances

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1.1 This guide describes and compares different methods for assessing the potential for, or existence of, depressurization-induced backdrafting and spillage from vented residential combustion appliances.

1.2 Assessment of depressurization-induced backdrafting and spillage is conducted under either induced depressurization or natural conditions.

1.3 Residential vented combustion appliances addressed in this guide include hot water heaters and furnace. The guide also is applicable to boilers.

1.4 The methods given in this guide are applicable to Category I (draft-hood- and induced-fan-equipped) furnaces. The guide does not apply to Category III (power-vent-equipped) or Category IV (direct-vent) furnaces.

1.5 The methods in this guide are not intended to identify backdrafting or spillage due to vent blockage or heat-exchanger leakage.

1.6 This guide is not intended to provide a basis for determining compliance with code requirements on appliance and venting installation, but does include a visual assessment of the installation. This assessment may indicate the need for a thorough inspection by a qualified technician.

1.7 Users of the methods in this guide should be familiar with combustion appliance operation and with making house-tightness measurements using a blower door. Some methods described in this guide require familiarity with differential-pressure measurements and use of computer-based data-logging equipment.

This guide does not purport to address all safety concerns, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to use. Carbon monoxide (CO) exposure or flame roll-out may occur when performing certain procedures given in this guide. See Section , for precautions that must be taken in conducting such procedures.


SDO ASTM: ASTM International
Document Number E1998
Publication Date Aug. 1, 2007
Language en - English
Page Count 14
Revision Level 02(2007)
Supercedes
Committee E06.41
Publish Date Document Id Type View
Sept. 1, 2011 E1998-11 Revision
Dec. 10, 2002 E1998-02 Revision
Jan. 10, 1999 E1998-99 Revision
July 1, 2018 E1998-11R18 Reaffirmation
Aug. 1, 2007 E1998-02R07 Reaffirmation