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HVAC, Plumbing, Electrical, or other field serviceTooling & Equipment2MildPlumber or HVAC Technician$ implied

Unable to find a copper 3-way corner 90 fitting, requiring workarounds like using a tee and elbow which adds extra solder joints and uses more materials.

No manufacturer produces a single 3-way corner 90 copper fitting, forcing tradespeople to combine multiple fittings which is less aesthetically pleasing and uses more solder and silver.

Severity

2Mild

Willingness to Pay

implied

Added

Apr 25, 2026

Workarounds Described

combines a tee and an elbow to create a 3-way corner

App Concept

TriCorner 90

TriCorner 90 is a pre-formed, single-piece copper fitting that combines a 90-degree corner with a third outlet, eliminating the need for a tee plus elbow. It saves installation time, reduces the number of solder joints, and uses less material.

Key Features

One-piece copper 3-way corner 90 fitting
Available in standard copper pipe sizes (1/2", 3/4", 1")
Compatible with existing soldering techniques
Aesthetic finish for exposed piping

Target Users: Plumbers and HVAC technicians who install copper piping systems, especially in tight spaces or visible areas

Revenue Model: $5-$15 per fitting, sold through plumbing supply distributors and online retailers

Existing Solutions Mentioned

tee+elbow

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