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The WILLIAMS COMFORT PRODUCTS HNX-130 is a drive adaptor fitting designed to connect a 3/4 inch female end to a 1 inch male end. This type of adaptor is used to bridge mismatched connection sizes within a plumbing or HVAC system, allowing two components with different thread or port dimensions to mate securely. Licensed plumbers and HVAC technicians typically install adaptors like this during system assembly, retrofits, or repairs where existing components do not share a common connection size. The HNX-130 ships as a single unit and weighs 0.763 pounds.
This adaptor suits residential and light commercial applications where a 3/4 inch female port must connect to a 1 inch male fitting. Common install scenarios include supply and return line connections, valve extensions, and component replacement jobs that require a size transition at the point of connection. It is sold individually, making it easy to source as a single replacement piece without purchasing a multipack.
Designed as an OEM-style drive adaptor for use in plumbing or HVAC systems requiring a 3/4 inch female to 1 inch male connection transition.
Installation should be performed by a licensed plumber or HVAC technician following applicable local codes and IPC or IFGC guidelines. Shut off the water supply or system pressure and relieve any residual pressure before removing or installing fittings. Use appropriate thread sealant or tape on threaded connections as required by the application. Do not over-tighten fittings, as this can damage threads or cause leaks.
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