Homeowner needs to replace a non-functional shut-off valve under a sink and is unsure about the correct parts and process due to different pipe types and fittings.

Workarounds Described

• unsure if special shut-off valve is needed for copper pipe
• unsure if ferrule ring is under the nut
• considering buying a ferrule puller
• considering replacing the copper pipe entirely

Implied Software Gaps

• App that identifies pipe type and ferrule presence from photo and gives exact valve and fitting recommendations
• App that provides a repair decision tree (replace vs. fix valve) with tool and part lists

ValveFix AI

A mobile app that guides DIY homeowners through plumbing valve repairs with step-by-step instructions, part identification via photo recognition, and local code compliance checks. It replaces guesswork and multiple hardware store trips.