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The WILLIAMS COMFORT PRODUCTS WS-14 is a 5-piece flare nut wrench set designed for tightening and loosening flare fittings on refrigerant lines, fuel lines, and hydraulic connections. Flare nut wrenches feature an enclosed head profile that grips more of the fitting surface than an open-end wrench, reducing the risk of rounding soft brass or copper fittings. This set is a practical addition to any HVAC, refrigeration, or plumbing technician's toolkit where flare connections are routinely serviced. The set weighs 2.866 pounds.
Flare nut wrench sets are commonly used in residential and light commercial HVAC service, refrigeration work, and plumbing applications where flare-type fittings are present. Technicians reach for these tools when connecting or disconnecting refrigerant line sets, fuel supply lines, and similar tubing assemblies that use flare-style unions. The enclosed wrench head provides added grip on soft-metal fittings that are easily damaged by standard open-end wrenches.
Designed for use with standard flare-type fittings commonly found in residential and light commercial HVAC, refrigeration, and plumbing systems.
Flare nut wrenches are typically used by licensed HVAC technicians and plumbers during line set connections, fuel line service, or refrigerant circuit work. Always recover refrigerant and isolate the system before breaking any refrigerant-side flare connection, in accordance with EPA Section 608 requirements. Shut off fuel supply valves before disconnecting fuel line flare fittings. Select the correctly sized wrench from the set to avoid slippage and fitting damage.
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