Unable to replace a leaking shutoff valve under kitchen sink because the exposed pipe may be too short to attach a new valve, and unsure if the old valve can be removed without damage.

Workarounds Described

• Visually guessing pipe length and valve compatibility
• Considering calling a plumber due to uncertainty

Implied Software Gaps

• AR-based pipe measurement and compatibility check app
• DIY plumbing decision support tool with visual guidance

ValveSnap Fit-Check

A mobile app that uses AR to measure exposed pipe length and identify valve type from photos. It tells DIYers if they have enough pipe for a standard replacement or recommends an extender kit, providing step-by-step instructions. No more guessing or calling a plumber for simple valve swaps.