Irritrol R8969 Rain Dial Outdoor Ext Replacement Key Go to amazon.com Related posts Check expert advices for irrigation box key? FeatureClimate logic readyRemote control readyRainsensor ready DescriptionIrritrol R8969 rain dial outdoor ext replacement key to be used on rd600-ext-r, rd900-ext-r, & rd1200-ext-r irrigation sprinkler controllers box.