REFRIGERANT LEAKAGE AT THE TUBING JOINT CAN RESULT IN REDUCED COOLING
VULKAN LOKRING (American Vulkan) Refrigerator LOKRING 7.5/7 NR Ms 00 brass reducing connector L13000649, Fixes Refrigerant leakage at the tubing joint can result in reduced cooling
Braze-free brass Lokring reducer for joining sealed-system refrigerant tubing with nominal tube outside diameters of 0.295 inch (7.5 mm) and 0.276 inch (7 mm). Used in refrigerator and other refrigeration-appliance sealed systems.
Part L13000649VULKAN LOKRING (American Vulkan)
Guaranteed to Fit — or your money back.
Confirm your full appliance model number before ordering.
Confirm your full appliance model number before ordering.
Is This the Right Part?
Part NumberL13000649
ManufacturerVULKAN LOKRING (American Vulkan)
Appliance TypeRefrigerator
Part TypeLOKRING 7.5/7 NR Ms 00 brass reducing connector
✅ Cross Reference Information
Current Part NumberL13000649
Common Symptoms
- Reduced or absent cooling after a sealed-system repair
- Compressor running for unusually long periods when refrigerant charge has been lost
- Visible oil residue or discoloration near the connector or tubing joint
- Suspected sealed-system leak at a connection using this reducer
Check Before Replacing
- Visually inspect the connector, tube ends, and surrounding area for oil residue, corrosion, tube movement, or an obviously incomplete joint.
- Verify the outside diameters of the connected tubes with a digital caliper; this connector is specified for approximately 7.5 mm and 7 mm tube outside diameters.
- With the appliance powered off, visually check whether the connector rings appear fully seated and flush with the connector center stop; do not manipulate or load the tubing.
- Have a qualified refrigeration technician perform an approved leak test and sealed-system pressure evaluation before concluding that this connector is defective.
Pro Tip
Correct tube preparation and use of VULKAN LOKPREP 65G are essential to achieving a hermetically sealed LOKRING connection; do not substitute ordinary sealant.
Part Details
Part NumberL13000649
Part TypeLOKRING 7.5/7 NR Ms 00 brass reducing connector
ManufacturerVULKAN LOKRING (American Vulkan)
Appliance TypeRefrigerator
Primary FunctionBraze-free brass reducing connector for making a hermetically sealed joint between compatible refrigeration tubes measuring approximately 7.5 mm (0.295 inch) and 7 mm (0.276 inch) outside diameter.
Installation Notes
- Installation should be performed by a qualified refrigeration technician familiar with sealed-system service and the applicable refrigerant.
- Confirm tube outside diameters before installation; do not assume visually similar tubing is compatible.
- Clean tube ends rotationally to remove paint and surface contamination, then apply VULKAN LOKPREP 65G as specified by the Type 00 assembly instructions.
- Insert the tubes to the connector stops, rotate the connector as instructed to distribute LOKPREP, and observe the specified curing time.
- Use the appropriate LOKRING hand assembly tool with its jaws positioned squarely on the connector rings; keep both tubes seated during compression.
- After assembly and curing, perform the applicable approved leak, pressure, evacuation, and refrigerant-charging procedures. Do not open or service the refrigerant circuit without the required qualifications and equipment.
Verified Compatible Models
Fitment reminder: A verified model list has not been added yet. Match the complete appliance model number before ordering.
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