Plumber experiences uncertainty about proper tightening torque for stainless steel flex hoses on water heater connections, leading to leaks and risk of overtightening.

No clear guidance or tool exists for determining the correct tightening torque for flex hose connections in varying fitting materials (e.g., dielectric vs copper male).

Severity

2Mild

Willingness to Pay

none

Added

Jul 1, 2026

Workarounds Described

Tightens until hose cannot be moved
Overtightens to stop leak

Implied Software Gaps

Smart torque tool with presets for different fitting types
Leak verification feature integrated with tightening process

App Concept

TorqueTight Pro

A smart torque wrench and app designed specifically for plumbers to ensure correct tightening of flex hoses and similar fittings. Provides real-time torque feedback, fitting-type presets, and leak verification after installation. Eliminates guesswork and reduces callbacks.

Key Features

Fitting-specific torque presets (dielectric nipple, copper male, etc.)
Real-time torque gauge with visual/audio feedback
Post-tightening leak test mode using pressure sensor
Job logging and photo documentation

Target Users: Plumbers and HVAC technicians who install water heaters and other appliances with flex hose connections, primarily in residential and commercial service companies with 1-10 technicians.

Revenue Model: $199 for hardware (smart torque wrench), $9.99/mo app subscription for advanced presets and job logging

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