UNLIMITED FREE ACCESS TO THE WORLD'S BEST IDEAS

close

This is embarrasing..

An error occurred while processing the form. Please try again in a few minutes.

Customize Your Engineering360 Experience

close
Privacy Policy

This is embarrasing..

An error occurred while processing the form. Please try again in a few minutes.

UL 731

UL Standard for Safety Oil-Fired Unit Heaters

active, Most Current
Buy Now
Organization: UL
Publication Date: 31 January 2018
Status: active
Page Count: 85
scope:

These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727.

The oil-burning equipment covered by these requiremetns are intended for installation in accordance with the National Fire Protection Association Standard for the Installation of Oil Burning Equipment, NFPA 31, the International Mechanical Code and the Uniform Mechanical Code.

If a value for measurement is followed by a value in other units in parentheses, the second value may be only approximate. The first stated value is the requirement.

Document History

UL 731
January 31, 2018
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727. The...
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
September 25, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....
January 1, 1995
UL Standard for Safety Oil-Fired Unit Heaters
These requirements apply to oil-fired unit heaters as defined herein. Unit heaters designed to supply heated air through ducts are covered in the Standard for Oil-Fired Central Furnaces, UL 727....

References

Advertisement