|
These fittings and labels must be used with alternative refrigerants when used in motor vehicle air conditioning systems. For more details, see EPA's fact sheet titled "Choosing and Using Alternative Refrigerants for Motor Vehicle Air Conditioning," available from the hotline and on the web site.
This list includes all refrigerants found acceptable subject to use conditions in motor vehicle air conditioning as of December 18, 2000.
Fitting Sizes
|
Refrigerant
|
Contact
|
High Side Service Port
|
Low Side Service Port
|
30-lb. Cylinders
|
Small Cans
|
Diameter
(inches)
|
Pitch
(threads/inch)
|
Thread
Direction
|
Diameter
(inches)
|
Pitch
(threads/inch)
|
Thread
Direction
|
Diameter
(inches)
|
Pitch
(threads/inch)
|
Thread
Direction
|
Diameter
(inches)
|
Pitch
(threads/inch)
|
Thread
Direction
|
CFC-12
(post-1987)
|
multiple
|
6/16
|
24
|
Right
|
7/16
|
20
|
Right
|
7/16
|
20
|
Right
|
7/16
|
20
|
Right
|
CFC-12
(pre-1987)
|
7/16
|
20
|
Right
|
7/16
|
20
|
Right
|
7/16
|
20
|
Right
|
7/16
|
20
|
Right
|
|
HFC-134a
|
multiple
|
quick-connect
|
quick-connect
|
8/16
|
16 Acme
|
Right
|
8/16
|
16 Acme
|
Right
|
|
Freeze 12
|
Technical Chemical
800-527-0885
|
7/16
|
14
|
Left
|
8/16
|
18
|
Right
|
8/16
|
18
|
Right
|
6/16
|
24
|
Right
|
|
Free Zone / RB-276
|
Refrigerant
Gases
888-373-3066
|
8/16
|
13
|
Right
|
9/16
|
18
|
Right
|
9/16
|
18
|
Right
|
6/16
|
24
|
Left
|
|
Hot Shot
|
ICOR
800-357-4062
|
10/16
|
18
|
Left
|
10/16
|
18
|
Right
|
10/16
|
18
|
Right
|
5/16
|
24
|
Right
|
McCool
Chill-It
|
McMullen Oil Products, Inc.
800-669-5730
|
6/16
|
24
|
Left
|
7/16
|
20
|
Left
|
.368
|
26
|
Right
|
14mm
|
1.25mm
spacing
|
Left
|
|
GHG-X4 / Autofrost
|
People's Welding
800-382-9006
|
.305
|
32
|
Right
|
.368
|
26
|
Right
|
.368
|
26
|
Right
|
14mm
|
1.25mm
spacing
|
Left
|
|
GHG-X5
|
8/16
|
20
|
Left
|
9/16
|
18
|
Left
|
9/16
|
18
|
Left
|
not sold in small cans
|
|
R-406A
|
.305
|
32
|
Left
|
.368
|
26
|
Left
|
.368
|
26
|
Left
|
8/16
|
20
|
Left
|
|
GHG-HP
|
not yet developed*
|
|
Ikon-12 / Ikon A
|
Ikon
505-345-2707
|
not yet developed*
|
FRIGC
FR-12
|
Intercool
800-555-1442
|
quick-connect, different from HFC-134a
|
quick-connect, different from HFC-134a
|
8/16
|
20
|
Left
|
7/16
|
20
|
Left
|
|
SP34E
|
Solpower
888-289-8866
|
7/16
|
14
|
Right
|
8/16
|
18
|
Left
|
8/16
|
18
|
Left
|
5/16
|
24
|
Left
|
|
RS-24
|
Refrig-erant Products Ltd
|
Quick connect, different from HFC-134a and FRIGC FR-12
|
Quick connect, different from HFC-134a and FRIGC FR-12
|
Quick connect, different from HFC-134a and FRIGC FR-12
|
Quick connect, different from HFC-134a and FRIGC FR-12
|
|
R-420A
|
RMS of Georgia
|
0.5625 (9/16)
|
18
|
Right
|
0.5625 (9/16)
|
18
|
Left
|
0.5625 (9/16)
|
18
|
Left
|
0.5625 (9/16)
|
18
|
Right
|
* These refrigerants have not been marketed yet; therefore, fittings have not been developed.
|
Label Colors
To comply with the conditions on the use of motor vehicle refrigerants, a detailed label must be applied that features a unique background color. This table summarizes the colors chosen for the refrigerants listed as of June 3, 1997. The information required for each label is listed in EPA's fact sheet titled "Choosing and Using Alternative Refrigerants for Motor Vehicle Air Conditioning," available from EPA's world wide web site and from the Stratospheric Ozone Hotline at 800-296-1996.
|
Refrigerant
|
Background
|
|
CFC-12
|
White
|
|
HFC-134a
|
Sky Blue
|
|
Freeze 12
|
Yellow
|
|
Free Zone / RB-276
|
Light Green
|
|
Hot Shot
|
Medium Blue
|
|
GHG-X4
|
Red
|
|
R-406A
|
Black
|
|
GHG-X5
|
Orange
|
|
GHG-HP
|
not yet developed*
|
|
Ikon-12 / Ikon A
|
not yet developed*
|
|
FRIGC FR-12
|
Grey
|
|
SP34E
|
Tan
|
|
RS-24
|
Gold
|
|
R-420A
|
Dark green (PMS #347)
|
* These refrigerants have not been marketed yet; therefore, label colors have not been developed.
|
|
