Q: Why is my TTV 103 leaking from the plastic inlet, and how can I fix it?
A:
The TTV 103 with plastic inlet and plastic outlet is designed to provide a secure, leak-resistant connection when installed correctly. If water is leaking from the inlet, the issue is usually related to thread sealing, installation method, or component condition.
How to Properly Install and Maintain the TTV 103 (Plastic Inlet & Outlet)
Seal the Inlet Connection
Apply Teflon® (PTFE) tape to the male threads of the water supply before attaching the plastic inlet. Wrap the tape clockwise 2–3 turns to help prevent water leaks. Hand-tighten only and snug gently—do not overtighten.
Install the Valve
Connect the plastic outlet to the hose or irrigation line, ensuring proper alignment of threads.
Install New Batteries
Replace the batteries with new AA alkaline, non-rechargeable batteries.
Use only one battery brand and replace all batteries at the same time. Do not mix old and new batteries or different brands.
Test the Valve
Turn on the water slowly and run a manual cycle to confirm proper operation and check for leaks.
Why the TTV 103 May Leak or Stop Working
No or insufficient Teflon tape on inlet threads
Overtightening causing cracks or deformation of the plastic inlet
Damaged threads or worn internal seals
Use of rechargeable, mixed, or partially depleted batteries
Excessive water pressure
Freezing damage
Tips for Reliable Operation
Always use Teflon (PTFE) tape on the inlet threads
Hand-tighten plastic fittings; do not use tools
Use new AA alkaline, non-rechargeable batteries only
Use one battery brand and replace all batteries together
Keep water pressure within the recommended range
Drain and protect the valve in freezing conditions
Need Assistance?
If you continue to experience issues with your TTV 103, our support team is happy to help.
Phone (US): +1-833-381-5659
Email: Service@rainpointonline.com
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