About On/Off Valves
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Solder-On Air Conditioner Service Valves

Tap into refrigerant lines to drain and fill your system. These valves are self-piercing and can be installed without drilling a hole into the line. A valve cap is included.
Valve Port Thread | Core | ||||||||
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For Tube OD | Lg. | Dia. | Type | Gender | Dia. | Material | Body Material | Each | |
1/4" | 1 1/2" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Copper | 0000000 | 00000 |
5/16" | 1 1/2" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Copper | 0000000 | 0000 |
3/8" | 1 1/2" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Copper | 0000000 | 00000 |
1/2" | 1 1/2" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Copper | 0000000 | 00000 |
5/8" | 1 1/2" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Copper | 0000000 | 00000 |
3/4" | 1 1/2" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Copper | 0000000 | 00000 |
1/4" SAE Brass Caps (Pkg. of 10) | 0000000 | Pkg. | 000000 |
Deep-Reach Air Conditioner Service Valves

For hard-to-reach spaces, these valves are longer than standard air conditioner service valves. They tap into refrigerant lines to drain and fill your system. All have a removable core to provide unobstructed flow for your refrigerant once the core is removed. A valve cap is included.
Replacement cores and core kits are sold separately. The kits include a core remover with four valve cores.
Valves | |||||||||||||||
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Valve Port Thread | Core | Replacement Cores | Core Kits | ||||||||||||
For Tube OD | Lg. | Dia. | Type | Gender | Dia. | Material | Body Material | Pkg. Qty. | Pkg. | Pkg. Qty. | Pkg. | Each | |||
1/8" | 3" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Brass | 5 | 0000000 | 000000 | 6 | 0000000 | 00000 | 0000000 | 000000 |
1/4" | 2 15/16" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Brass | 5 | 0000000 | 00000 | 6 | 0000000 | 0000 | 0000000 | 00000 |
5/16" | 2 13/16" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Brass | 5 | 0000000 | 00000 | 6 | 0000000 | 0000 | 0000000 | 00000 |
3/8" | 2 13/16" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Brass | 5 | 0000000 | 00000 | 6 | 0000000 | 0000 | 0000000 | 00000 |
1/2" | 2 1/8" | 1/4" | UN/UNF (SAE 45°) | Male | 1/4" | Nickel-Plated Brass | Brass | 3 | 0000000 | 00000 | 6 | 0000000 | 0000 | 0000000 | 00000 |
1/4" SAE Brass Caps (Pkg. of 10) | 0000000 | Pkg. | 000000 |
On/Off Valves with Solder-Connect Fittings for Refrigerant

- Valve Type: Ball
- For Use With: Refrigerant
- Seal Material: PTFE Plastic
- Specifications Met: UL Listed, C-UL Listed, CE Marked
Install these valves in HVAC and refrigeration systems to control CO₂. They are operated with a wrench to give you the leverage needed to manage the flow of highly pressurized gases common in refrigeration systems. Because they require a wrench, these valves can’t be opened accidentally when bumped or snagged. Solder them to metal tubing for a permanent, leak-tight connection. To monitor pressure or fluid flow, attach a gauge to the port. The port can also be used to drain and divert liquid. These valves are full port, so they do not restrict flow.
Flow coefficient (Cv) is the amount of water (in gallons per minute) at 60° F that will flow through a fully open valve with a difference of 1 psi between the inlet and the outlet.
Gauge Ports | ||||||||||||||
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For Copper Tube Size | For Tube OD | No. of | Thread Size | Gender | Thread Type | Flow Coefficient (Cv) | Max. Pressure | Temperature Range, °F | End-to-End Lg. | Drive Style | Drive Size | For Refrigerant No. | Each | |
Wrench-Operated Brass Body | ||||||||||||||
Solder Connect × Solder Connect | ||||||||||||||
1/8 | 1/4" | 1 | 7/16"-20 | Male | UNF | 1 | 2,030 psi @ 300° F | -40° to 300° | 5" | External Hex | 13/16" | R-744 | 0000000 | 0000000 |
1/4 | 3/8" | 1 | 7/16"-20 | Male | UNF | 4.3 | 2,030 psi @ 300° F | -40° to 300° | 5 1/4" | External Hex | 13/16" | R-744 | 0000000 | 000000 |
3/8 | 1/2" | 1 | 7/16"-20 | Male | UNF | 6.2 | 2,030 psi @ 300° F | -40° to 300° | 5 1/2" | External Hex | 13/16" | R-744 | 0000000 | 000000 |
1/2 | 5/8" | 1 | 7/16"-20 | Male | UNF | 12.1 | 2,030 psi @ 300° F | -40° to 300° | 5 7/8" | External Hex | 13/16" | R-744 | 0000000 | 000000 |
5/8 | 3/4" | 1 | 7/16"-20 | Male | UNF | 19 | 2,030 psi @ 300° F | -40° to 300° | 5 7/8" | External Hex | 15/16" | R-744 | 0000000 | 000000 |
3/4 | 7/8" | 1 | 7/16"-20 | Male | UNF | 27.5 | 2,030 psi @ 300° F | -40° to 300° | 7 5/16" | External Hex | 15/16" | R-744 | 0000000 | 000000 |
1 | 1 1/8" | 1 | 7/16"-20 | Male | UNF | 48 | 2,030 psi @ 300° F | -40° to 300° | 7 5/16" | External Hex | 1 1/8" | R-744 | 0000000 | 000000 |
1 1/4 | 1 3/8" | 1 | 7/16"-20 | Male | UNF | 77 | 2,030 psi @ 300° F | -40° to 300° | 8 1/8" | External Hex | 1 1/8" | R-744 | 0000000 | 000000 |
1 1/2 | 1 5/8" | 1 | 7/16"-20 | Male | UNF | 96 | 2,030 psi @ 300° F | -40° to 300° | 9 1/2" | External Hex | 1 1/8" | R-744 | 0000000 | 000000 |
2 | 2 1/8" | 1 | 7/16"-20 | Male | UNF | 198 | 2,030 psi @ 300° F | -40° to 300° | 10 7/8" | External Hex | 1 5/8" | R-744 | 0000000 | 000000 |