Fails: var x = client.Serie.GetSeriesAsync("p1meter", "cpuload.short").Result; Works: var x = client.Serie.GetSeriesAsync("p1meter", "\\"cpuload.short\\"").Result; 
Fails: var x = client.Serie.GetSeriesAsync("p1meter", "cpuload.short").Result;
Works: var x = client.Serie.GetSeriesAsync("p1meter", "\"cpuload.short\"").Result;