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The WILLIAMS COMFORT PRODUCTS 3722-TH is a double offset angle wrench sized for 11/16-inch fasteners. The offset geometry positions the handle away from the work surface, giving a technician clearance to turn fasteners in tight or recessed locations where a standard wrench cannot reach. This wrench is sold individually and weighs 0.25 pounds, making it a lightweight addition to a service bag. HVAC technicians, plumbers, and general trade professionals reach for this tool when standard access is blocked by adjacent components or panel edges.
The 3722-TH is suited for service and installation work on equipment where fasteners sit in recessed or flanged locations. Typical applications include working on air handlers, heat exchangers, valve packing nuts, burner assemblies, and similar components where a straight wrench cannot engage cleanly. The double offset design provides additional knuckle clearance compared to a single offset wrench, reducing hand contact with surrounding surfaces during operation.
Designed as a general-purpose hand tool for trade use wherever an 11/16-inch double offset angle wrench is required; no specific equipment model compatibility is stated by the manufacturer for this SKU.
This wrench is a hand tool used by licensed HVAC technicians, plumbers, and electricians during equipment service and installation. Always de-energize and lock out electrical equipment, and shut off gas or water supply before beginning any fastener work on live systems. Use the correct jaw size to avoid rounding fasteners. Inspect the wrench for cracks or deformation before each use and replace if damaged.
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