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IInnttrroodduuccttiioonn
Refrigerant Substitute Warning
Do not use
DDuuaall
33441122
or leak detector equipment if
R-12 substitutes are suspected. R-12 refrigerant
substitutes may be flammable.
Read, understand and follow
SSaaffeettyy
IInnffoorrmmaattiioonn
in
the front of this manual.
Aftermarket R-12 refrigerant substitutes are being sold that are
dangerous or potentially flammable gases. These products
contain a blend of butane, isobutane and propane and have the
potential for explosion. Some of these products are:
• OZ-12,
• Refrigerant-176,
• Arctic Chill R-176, and
• GHG Refrigerant 12.
Some vehicles using OZ-12 can be identified by a label that
may be placed in the engine compartment, but many cannot be
identified. Studies are currently being conducted to develop a
procedure to identify the type of refrigerant in a refrigeration
system. State agencies and the Environmental Protection
Agency (EPA) are moving to ban flammable substitutes.
If it is suspected that a refrigerant system contains a product of
this type:
• Question customers about previous service,
• Be aware of any unfamiliar odor from the system,
• Do not use a leak detector,
• Do not use recycling equipment, and
• Contact your state fire marshall or local EPA office.
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