Eaton 6660 Drain Cock Shutoff Valve 3/8 Inch Pipe

Product Description

The EATON 6660 is a hose-to-pipe drain cock shutoff valve designed for flow adjustment and drainage applications in plumbing and HVAC systems. Built with a brass body and rated to 150 psi maximum working pressure, this valve accepts a 1/4-inch thread connection and fits 3/8-inch pipe configurations. The compact drain cock format makes it well suited for draining water lines, boilers, water heaters, and similar plumbing assemblies. Licensed plumbers and HVAC service technicians are the primary installers. The valve's steel and brass construction supports reliable service in both residential and light commercial settings.

This drain cock shutoff valve is used in applications requiring controlled flow adjustment or periodic drainage of pressurized water lines. Typical installations include boiler drain points, water heater service ports, irrigation supply lines, and general plumbing shutoff or drain points operating at pressures up to 150 psi. The 1/4-inch thread and hose-to-pipe design allow straightforward connection to standard pipe fittings and hose assemblies.

Key Features

• Rated to 150 psi maximum working pressure for reliable service in pressurized water systems
• Brass body construction for corrosion resistance and durability
• 1/4-inch thread size for compatibility with standard pipe fittings
• Hose-to-pipe design for flexible drain and flow-adjustment connections
• Flow adjustment valve function for controlled drainage or partial flow
• Compact form factor suited for tight installation spaces

Compatibility

Designed as an OEM-style replacement or service addition for residential and light commercial plumbing and HVAC systems requiring a 3/8-inch pipe, 1/4-inch thread hose-to-pipe drain cock valve.

Installation Notes

Installation should be performed by a licensed plumber or qualified HVAC technician in accordance with applicable local plumbing codes and the IPC. Shut off the water supply and relieve system pressure completely before removing or installing any valve. Apply thread sealant or PTFE tape to threaded connections as required by the fitting manufacturer. Do not exceed the 150 psi maximum rated working pressure.