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Good to Know

Compression Fittings

PNEULINE CONTROLS stocks the greatest variety of brass compression fittings available for HVAC systems. We can cross-reference from most all manufacturers' fittings. Click on the highlighted part numbers on the right to obtain pricing or to order.


PRODUCT SIZE UNIT BULK ORDER #
Union COMP x COMP
 1/4 x 1/4
3/8 x 1/4
3/8 x 3/8
1/2 x 1/2
1/2 x 3/8 		10
5
10
5
5 		50
25
50
25
10 		C4C
C3C4C
C3C
C2C
C2C3C
Union Tee COMP x COMP x COMP
 1/4 x 1/4 x 1/4
3/8 x 3/8 x 3/8
1/2 x 1/2 x 1/2
1/2 x 1/2 x 3/8
3/8 x 3/8 x 1/4 		5
5
5
5
5 		25
25
10
10
10 		T4C
T3C
T2C
T2C2C3C
T3C3C4C
Female Connector COMP x FPT
 1/4 x 1/8 F
1/4 x 1/4 F
3/8 x 1/8 F
3/8 x 1/4 F
1/2 x 1/4 F 		5
5
5
5
5 		25
10
10
10
10 		A4C8F
A4C4F
A3C8F
A3C4F
A2C4F
Female Elbow COMP x FPT
 1/4 x 1/8 F
1/4 x 1/4 F 		5
5 		25
25 		AL4C8F
AL4C4F
Male Branch Tee COMP x COMP x MPT
 1/4x1/4x1/8 M
3/8x3/8x1/8 M 		5
5 		10
10 		AT4C4C8M
AT3C3C8M
Compression Nut
 1/4
3/8
1/2 		25
25
10 		100
100
50 		CN4
CN3
CN2
Brass Insert for Plastic Tubing
 1/4
3/8
1/2 		50
50
25 		200
200
100 		I4
I3
I2
Compression Needle Valves COMP x COMP
 1/4 x 1/4
3/8 x 3/8 		5
5 		10
10 		NV4C
NV3C
Shut-off Cock FPT x FPT
 1/8
1/4
3/8 		5
5
5 		10
10
10 		V8F
V4F
V3F
Union Elbow COMP x COMP
 1/4 x 1/4
3/8 x 3/8
1/2 x 1/2 		5
5
5 		10
25
10 		CL4C
CL3C
CL2C
Plug COMP
 1/4 10 50 P4C
Male Connector COMP x MPT
 1/4 x 1/8 M
1/4 x 1/4 M
3/8 x 1/8 M
3/8 x 1/4 M
3/8 x 1/2 M
3/8 x 3/8 M
1/2 x 3/8 M
1/2 x 1/2 M
1/2 x 1/4 M 		10
10
5
5
5
5
5
5
5 		50
50
25
25
25
25
25
25
10 		A4C8M
A4C4M
A3C8M
A3C4M
A3C2M
A3C3M
A2C3M
A2C2M
A2C4M
Male Elbow COMP x MPT
 1/4 x 1/8 M
1/4 x 1/4 M
3/8 x 1/8 M
3/8 x 1/4 M
1/2 x 1/2 M 		10
10
5
5
5 		50
50
25
25
10 		AL4C8M
AL4C4M
AL3C8M
AL3C4M
AL2C2M
Female Branch Tee COMP x COMP x FPT
 1/4 x 1/4 x 1/8 F 5 25 AT4C4C8F
Ferrule, Brass
 1/4
3/8
1/2 		50
50
50 		200
200
200 		BF4
BF3
BF2
Ferrule, Delrin
 1/4
3/8
1/2 		50
50
50 		200
200
100 		DF4
DF3
DF2
Barbed Needle Valves BARB x BARB
 1/4 x 1/4 5 10 NV4B
Shut-off Cock COMP x COMP
 1/4
3/8 		5
5 		10
10 		V4C
V3C
Part # Type  
A2C3M Male Connector 1/2"C x 3/8"MPT (order 5) Call... Add to Order
A2C4F Female Connector 1/2"C x 1/4"FPT (order 5) Call... Add to Order
A2C4M Male Connector 1/2"C x 1/4"MPT (order 5) Call... Add to Order
A3C2M Male Connector 3/8"C x 1/2"MPT (order 5) Call... Add to Order
A3C4F Female Connector 3/8"C x 1/8"FPT (order 5) Call... Add to Order
A3C4M Male Connector 3/8"C x 1/4"MPT (order 5) Call... Add to Order
A3C8F Female Connector 3/8"C x 1/8"FPT (order 5) Call... Add to Order
A3C8M Male Connector 3/8"C x 1/8"MPT (order 5) Call... Add to Order
A4C4F Female Connector 1/4"C x 1/4"FPT (order 5) Call... Add to Order
A4C4M Male Connector 1/4"C x 1/4"MPT (order 10) Call... Add to Order
A4C8M Male Connector 1/4"C x 1/8"MPT (order 10) Call... Add to Order
AL2C2M Male Elbow 1/2"C x 1/2"MPT (order 5) Call... Add to Order
AL3C4M Male Elbow 3/8"C x 1/4"MPT (order 5) Call... Add to Order
AL4C4F Female Elbow 1/4"C x 1/4"FPT (order 5) Call... Add to Order
AL4C4M Male Elbow 1/4"C x 1/4"MPT (order 10) Call... Add to Order
AL4C8M Male Elbow 1/4"C x 1/8"MPT (order 10) Call... Add to Order
AT3C3C8M Male Branch Tee 3/8"C x 3/8"C x 1/8"MPT (order 5) Call... Add to Order
AT4C4C8F Female Branch Tee 1/4"C x 1/4"C x 1/8"FPT (order 5) Call... Add to Order
AT4C4C8M Male Branch Tee 1/4"C x 1/4"C x 1/8"MPT (order 5) Call... Add to Order
BF2 Ferrule, Brass 1/2" (order 50) Call... Add to Order
BF3 Ferrule, Brass 3/8" (order 50) Call... Add to Order
BF4 Ferrule, Brass 1/4" (order 50) Call... Add to Order
C2C Union 1/2"C x 1/2"C (order 5) Call... Add to Order
C2C3C Union 1/2"C x 3/8"C (order 5) Call... Add to Order
C3C Union 3/8"C x 3/8"C (order 10) Call... Add to Order
C3C4C Union 3/8"C x 1/4"C (order 5) Call... Add to Order
C4C Union 1/4"C x 1/4"C (order 10) Call... Add to Order
CL2C Union Elbow 1/2"C x 1/2"C (order 5) Call... Add to Order
CL3C Union Elbow 3/8"C x 3/8"C (order 5) Call... Add to Order
CL4C Union Elbow 1/4"C x 1/4"C (order 5) Call... Add to Order
CN2 Compression Nut 1/2" (order 10) Call... Add to Order
CN3 Compression Nut 3/8" (order 25) Call... Add to Order
CN4 Compression Nut 1/4" (order 25) Call... Add to Order
DF2 Ferrule, Delrin 1/2" (order 50) Call... Add to Order
DF3 Ferrule, Delrin 3/8" (order 50) Call... Add to Order
DF4 Ferrule, Delrin 1/4" (order 50) Call... Add to Order
I3 Brass Insert for Plastic Tubing 3/8" (order 50) Call... Add to Order
I4 Brass Insert for Plastic Tubing 1/4" (order 50) Call... Add to Order
NV3C Compression Needle Valves 3/8"C x 3/8"C (order 5) Call... Add to Order
NV4C Compression Needle Valves 1/4"C x 1/4"C (order 5) Call... Add to Order
P4C Plug 1/4" C (order 10) Call... Add to Order
T2C Union Tee 1/2"C x 1/2"C x 1/2"C (order 5) Call... Add to Order
T2C2C3C Union Tee 1/2"C x 1/2"C x 3/8"C (order 5) Call... Add to Order
T3C Union Tee 3/8"C x 3/8"C x 3/8"C (order 5) Call... Add to Order
T3C3C4C Union Tee 3/8"C x 3/8"C x 1/4"C (order 5) Call... Add to Order
T4C Union Tee 1/4"C x 1/4"C x 1/4"C (order 5) Call... Add to Order
V3C Shut-off Cock 3/8"C x 3/8"C (order 5) Call... Add to Order
V3F Shut-off Cock 3/8"FPT x 3/8"FPT (order 5) Call... Add to Order
V4C Shut-off Cock 1/4"C x 1/4"C (order 5) Call... Add to Order
V4F Shut-off Cock 1/4"FPT x 1/4"FPT (order 5) Call... Add to Order
V8F Shut-off Cock 1/8"FPT x 1/8"FPT (order 5) Call... Add to Order