Automatically drains water from sprinkler lines when the system shuts off, protecting irrigation pipes from freeze damage. Brass body with stainless steel spring and ball for reliable, corrosion-resistant operation in underground installations.

• 1/2" MNPT (male national pipe thread) connection
• Yellow brass body with stainless steel spring and ball
• Opens below 4 PSI to drain lines, closes at 5 PSI when system pressurizes
• Protects sprinkler pipes from freezing
• For outdoor use with cold water only

FOR CALIFORNIA SHOPPERS

Hello Californians! Your government wants us to show you the following message:

• ⚠  WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov