Page 15 - Q3 2025 Stephenson Equipment Catalogue

AIR CONDITIONING SYSTEM SERVICE

Service Couplers

R-134a Manual Couplers 18190A MTC-82834-SL $58 75
Item # Description High Side Manual R134a
Safety Lock Coupler
ROB-18190A Low Side $98.85 82834-SL 82934-SL • 14mm-F x 16mm
ROB-18191A High Side $98.85 18191A
MTC-82934-SL $58 75
R-134a Manual Couplers, 14mm Low Side Manual R134a
Safety Lock Coupler
Item # Description • 14mm-F x 13mm
CPS-QCL134 Low Side $33.95
CPS-QCH134 High Side $33.95 QCH134 83834 MTC-83834 $85 85
CPS-QC134SET 2-Pc Set $68.25 QCL134 83934 High Side R1234yf Coupler
• 12mm-F x 17mm
R-134a to HFO1234yf Conversion
Manual Couplers, 14mm QCH1214MM MTC-83934 $85 85
Item # Description Low Side R1234yf Coupler
CPS-QCL1214MM Low Side $53.15 • 12mm-F x 14mm
CPS-QCH1214MM High Side $45.15
CPS-QC1214SET 2-Pc Set $112.15 QCL1214MM MTC-83736-K $165 35
R134a to R1234yf
MTC-69843-29-04 $40 35 Conversion Kit
• Converts any R134a manifold gauge
R1234yf Low Side set to a R1234yf manifold gauge set
Tank Adapter

CPS-AD84 $24 85 MTC-67736-K $116 85
Pump Adapter 1/4" FL to R1234yf
• Application: vacuum pumps, manifolds, Conversion Kit
recovery, tanks • Converts any standard 1/4" A/C
• 1/2" ACME-F x 1/4" SAE-M hose to connect to standard
• Pack of 3 R1234yf service ports
CPS-AD48L $18 05
HFO Tank Adapter ATD-3525 $45 45
• 1/4" SAE-F x 1/2" LH ACME-M
R12 to R134a
CPS-AD48 $22 55 Conversion Kit
Adapter for Vacuum Pumps/Manifolds/ • Converts R12 gauges to R134a
• Contains R134a 90° quick couplers
Recovery/Tanks and 1/2" ACME F x 1/4" M adapter
• 1/4" SAE-F x 1/2" ACME-M for R134a refrigerant tank
Refrigerant Can Taps/Recharge Kits

3664
Recharge Kits
• Brass dispensing
valve with hose and 3665
quick coupler
• Charge A/C
systems using 3659
piercing or self-
sealing/reusable 55
designed cans MTC-85530 $20
Item # Gas Can Type Hose 3-In-1 Side Mount
Can Tap Valve
ATD-3664 R1234yf Pierce Designed Cans 18" $87.65 • Covers 2-7/8" (R134a) charge cans,
2-1/2" and 2" (OIL) charge cans
ATD-3665 R1234yf Self-Sealing/Reusable Designed Cans 18" $91.85 • Includes 1/2" ACME-M and 1/4" FL-M ports
ATD-3659 R134a Self-Sealing/Reusable Designed Cans 12" $75.35

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