This Top Cover Plate arrives with the Brass Top Valve already installed, so you get the plate and a working top valve in one ready-to-fit part. It is the convenient choice when both the cover and the valve need renewing on your Koenders windmill compressor.

• Top cover plate with brass top valve pre-installed
• Renews both the cover and the valve in one part
• Ready to fit to Koenders windmill compressors