Stuck on or stuck off?
That distinction changes urgency and the likely diagnostic path.
Triage a zone valve that is stuck, leaking, buzzing, or not responding.
It takes a few minutes. Describe the issue in your own words.
Broad modeled range used when a ZIP has no single validated metro match; review before relying on it.
That distinction changes urgency and the likely diagnostic path.
If you are unsure, say so rather than opening a box or excavation unsafely.
Describe what you’re seeing in your own words, or check the short symptom guide. You can start a request either way.
Read the symptom guide