Hardie 1.5" Valve Slow Leak – Diaphragm or Cracked Body

1.5" Hardie inline valve leaks even with flow control fully closed.

Diagnosis

1. Disassemble valve; inspect diaphragm for hole/tear.
2. Check valve seat (where diaphragm seals) for cracks.

• Diaphragm bad: Replace diaphragm only.
• Body cracked: Replace entire valve.

Parts

Available at professional irrigation supply stores.