Rainman Technology Pty Ltd
36 Sydenham Road
Brookvale, NSW 2100
Australia
www.rainmandesal.com
support@rainmandesal.com
Introduction
The Rainman divert valve is built to be durable and reliable, certain operating conditions can still cause its performance to decline or even lead to leakage. Over time, the lever retaining screw can unwind allowing the O-ring (BS110) to dislodge. This guide is not meant for routine annual servicing, it covers the corrective steps to take if the valve starts leaking, so you can restore normal function and avoid replacing the part unnecessarily.
Video Tutorial
Watch this quick walkthrough of the divert valve service — from removing the handle and freeing the hex, to inspecting right through to reassembly. Follow along step by step to get your valve back to full working order.
PVC Divert Valve – Troubleshoot
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Using a Phillips screwdriver, remove the screw from the blue lever (white on control panel).
Please note – if your valve is mounted into a control panel, remove the water drop cover from the white lever to uncover the screw.
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If O-ring has popped out and it is easy to get a hold of, take it out for inspection of wear and cleaning. Otherwise, it is likely that O-ring only needs pushing deeper in. Use a blunt tool to avoid damage and seat the O-ring back in place.
Your divert valve is now reassembled and ready to perform. If issues persist after this fix, reach out to our support team for further assistance.

