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Brass pressure test gauge with 3/4 inch garden hose thread connection

Legend Valve

Legend Valve 800-660 3/4" GHT Pressure Test Gauge Accessory

SKU CH-K2RC-AEYN7

Connects to garden hose threads for testing water pressure, model 800-660

  • Tests water pressure with garden hose thread connection
  • Legend Valve brand ensures reliable plumbing accessory quality
  • 3/4 inch GHT fitting matches standard hose connections
  • California Proposition 65 warning for cancer risk awareness
  • California Proposition 65 warning for reproductive harm awareness

Pressure test gauge for garden hose systems

The Legend Valve 800-660 is a 3/4 inch GHT pressure test gauge accessory built for water pressure testing. It connects directly to standard garden hose threads so installers and technicians can verify system pressure quickly. The accessory is supplied new and carries California Proposition 65 warnings for chemicals linked to cancer and reproductive harm.

Replaces worn or missing test gauges

This gauge replaces a damaged or lost pressure tester on existing garden hose thread connections. The upgrade is worth it when the original gauge no longer reads accurately or the thread interface has corroded beyond reliable sealing. Orders of 75 or more qualify for free shipping from the manufacturer.

Suits HVAC and plumbing professionals checking

The tool suits HVAC technicians and plumbers who need a simple GHT pressure tester for boilers, radiators and outdoor water lines. It is not intended for buyers who require a digital readout, data logging or compatibility with non-GHT thread standards.

How it compares

Measured against everything we stock in Radiator Fans & Boiler Parts, at today’s prices. Recalculated every night.

Price $10.99
Cheaper than about 90% of the 95 comparable items (median $25.99).

Specifications

Product
Brand nameLEGEND VALVE

Questions about this item

What thread size does the 800-660 gauge accessory use to connect to a hose bibb?

It uses a 3/4" Garden Hose Thread (GHT) connection for direct attachment to standard outdoor faucets or boiler drain valves.

How do you install the pressure test gauge, and what step is often missed?

Thread the gauge onto the 3/4" GHT connection by hand, then tighten gently with a wrench; the step often missed is checking the internal washer is seated to prevent leaks.

When should the internal washer on the GHT connection be replaced?

Replace the washer if water seeps from the connection during testing or if the rubber appears cracked, flattened, or hardened from age and chemical exposure.

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