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Small metal go/no-go gauge for 3/8 to 1 inch copper crimp rings

Legend Valve

Legend Valve 508-255 Go/No-Go Gauge 3/8"-1

SKU CH-WXQ3-M7KFQ

A go/no-go gauge for verifying 3/8" to 1" copper crimp ring connections

  • Product typePipes, Valves & Fittings
  • Go/no-go gauge checks 3/8" to 1" copper crimp rings
  • Legend Valve brand backs professional plumbing use
  • New condition ensures clean, undamaged tool surfaces
  • California Proposition 65 warning notes listed chemical hazards
  • Model 508-255 identifies exact replacement part

Precision Go/No-Go Gauge

The Legend Valve 508-255 is a dedicated inspection tool for verifying copper crimp ring connections between 3/8 and 1 inch. It gives installers an immediate pass or fail reading on each joint. Plumbers and mechanical contractors use it to confirm compliance before pressurising a system.

California Proposition 65 notices

The product carries two Proposition 65 warnings for chemicals linked to cancer and reproductive harm. These labels inform the buyer of regulatory obligations but do not alter the gauge’s mechanical function or calibration.

3/8 to 1 inch verification range

The single specification that decides suitability is the go/no-go range covering 3/8 through 1 inch copper crimp rings. Jobs requiring sizes outside this interval need a different gauge.

How it compares

Measured against everything we stock in Yard Ornaments & Garden Statues, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 93% of the 1,271 comparable items (median $40.99).

Specifications

Product
Brand nameLEGEND VALVE
Product typePipes, Valves & Fittings

Questions about this item

Will the 508-255 gauge need recalibration after repeated use?

The tool is a fixed go/no-go gauge for 3/8" to 1" copper crimp rings and has no adjustable parts, so recalibration is not required.

What stops the gauge from working when checking hundreds of crimps in a row?

Wear on the gauge faces is the first limit; once the precision edges deform, the tool can no longer confirm crimp dimensions accurately.

Does the 508-255 get hot or noisy during all-day use?

It is a passive hand tool with no motor or electronics, so it produces no heat or noise during continuous operation.

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