Plug for older Avons including S100. This is the cap and deflator prong only, not the entire valve. Not a repair kit for the valve interior.
If valve is not working, you need to replace valve with the newer C7 Valve, cap and doubler fabric, which will involve cutting boat and gluing fabric.
See links below

For diagrams of Avon Valve types see:
Avon Valve Types

Zodiac / Avon Sales and Service

Note: This item may not be returned.
Note: This is a special order item. Please allow extra time for delivery.
Note: This item is subject to a Small Order Fee by the manufacturer. The $10 fee will be manually added to your order.

Valve - A7 grey & cap with doubler each	( Part # AVO V00048 )
Valve - A7 & cap black with doubler pair	( Part # AVO V00164 )
How to Repair Inflatable Boats	( Part # INFO inflatablerepair )

E-Mail sales@shipstore.com with any questions.