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PlumbingRepair and Maintenance Decisions3MediumPlumber / Service Technician$ implied

Shower water pressure drops to a trickle when running only the tub spout, likely due to high incoming water pressure (100 psi) and no pressure reducing valve, causing the shower valve to malfunction.

Customers often decline costly PRV installation, leaving technicians without an alternative solution for high-pressure-related shower valve issues.

Opp. Score

Severity

3Medium

Willingness to Pay

implied

Added

May 8, 2026

Workarounds Described

Throttled main water feed to half to test tub

App Concept

PressureGuard Valve

An inline pressure compensator that installs directly on the shower valve's hot/cold inlets to regulate pressure to optimal levels without requiring a whole-house PRV. It prevents trickling and valve damage at a fraction of the cost of PRV installation.

Key Features

Simple clamp-on or threaded installation on shower valve inlets
Automatic pressure regulation to 50-60 psi
Compact design fits behind most shower trim plates
Works with PEX, copper, and CPVC connections

Target Users: Plumbers and service technicians working on residential shower valve repairs in homes with high water pressure and no PRV

Revenue Model: $29.99 per unit wholesale, $49.99 retail at plumbing supply stores; volume discounts for contractors

Existing Solutions Mentioned

PRV (pressure reducing valve) install

Part of App Idea

Shower water pressure drops to a trickle when running only the tub spout, likely due to high incoming water pressure (100 psi) and no pressure reducing valve, causing the shower valve to malfunction.

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