The Timeout property of the web client is the read timeout. This specifies how long, in seconds, the web client waits for a response.
If this property is not specified, the web client uses the default value specified for the Timeout property of the %Net.HttpRequestOpens in a new tab class. This default is 30 seconds.
If you are using a proxy server, this property controls how long the client waits for a response from the proxy.