HFO-1234yf Refrigeration Tools: Series 104 Refrigerant Evacuation & Charging Tool

  • Product Code: HFO-1234yf Series 104 Refrigerant Evacuation & Charging Tool


The 104 charging tool is the interface adapter for an HFO-1234yf refrigerant charging system. It connects to the High-Side process fitting for refrigerant / oil charging. The tool allows for minimum refrigerant loss with automatic operation upon connection to the fitting. The tool is used with flowmeter refrigerant charging systems, is air operated and light weight. Comes as straight manifold or 90 degree manifold.

Series 104 can easily be modified to mate with Series 250: Hansen 2HK, 3HK, and J639 Low-Side Fittings. Please contact PCU Engineering for Custom Series 104 to meet your application.

STANDARD STOCK P/N: 104020-9052


  • Minimum Refrigerant Loss
  • Zero Connection Force with Clamp
  • Automatic Disconnect Capability
  • High Vacuum, Refrigerant & Oil Flow Rates
  • Separate Refrigerant & Oil Connections
  • Economical
Factory Air Supply70 psig (4.9 kg/cm2)
Vacuum Port Fitting1/2" JIC flare
Refrigerant & Oil Port Fitting3/8" JIC flare
Air Port Fitting1/4" Dia. One Touch Connectors
Weight4.25 lbs (1.9 kg)
Vacuum Range0-760 TORR (0-760 mmHg)
RefrigerantHFO-1234yf (Opens with pressure air @80 psig)
OilPolyolester or PAG (Opens with pressure air @ 80 psig)
Tool Flow Rate (typical)300 g/sec at 200 psi (Contact PCU for slower flow rates)
Maximum Refrigerant Pressure

200 psig @ 70 psi air

300 psig @ 80 psi air

400 psig @ 90 psi air

500 psig @ 100 psi air

Air Pilots(Vacuum, Refrigerant, Oil, Clamp & Stem Air)
Process Fitting CompatibkilitySAE J639
Process Fitting Nose SealMolded
Process Fitting Clamp SystemPCU BalLoc
Flow Rate (Refrig., Vacuum, Oil)0.9 Cv (typical)
PATENTS: This tool is manufactured under U.S. Patent No. 6,298,886.