I think my auto fill valve needs to be replaced. It is a float type but the float is a concentric rink around a standpipe with the valve at the top. Picture is attached. But it is not the T29 float type. Do you have a replacement?

I think my auto fill valve needs to be replaced. It is a float type but the float is a concentric rink around a standpipe with the valve at the top. Picture is attached. But it is not the T29 float type. Do you have a replacement?
