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The WILLIAMS COMFORT PRODUCTS 3746-TH is a double angle wrench sized at 1-7/16 inches, designed for use in heating and comfort system service applications. This hand tool provides the offset access needed to reach fasteners and fittings in tight or angled spaces that a straight wrench cannot address. At 0.25 pounds, it is lightweight enough for repeated use in field and mechanical room settings. HVAC and heating technicians working on gas-fired wall furnaces, heaters, and related comfort equipment will find this wrench suited to the close-quarters work those systems often require.
This wrench is used in residential and light commercial heating service and installation work. It is particularly useful when servicing gas wall furnaces, vented heaters, and similar units where access to fasteners is restricted by cabinetry, brackets, or adjacent components. The double angle design allows the technician to apply torque in positions where a standard wrench would bind or fail to seat properly.
Designed as an OEM-style service wrench for use with WILLIAMS COMFORT PRODUCTS heating equipment requiring 1-7/16 inch fastener access. No specific model compatibility data was provided in the product input.
This wrench is intended for use by qualified HVAC and heating technicians during installation or service of gas heating equipment. Always shut off gas supply and disconnect power to the unit before beginning any mechanical service work. Use appropriate personal protective equipment when working inside heating cabinets or near combustion components. Consult the equipment manufacturer service manual for fastener torque requirements before use.
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