Keystone RV Forums - View Single Post - Do you leave black and grey water valves open or closed with full hookups

Fuzion 369 · 02-15-2020, 05:49 AM

Closed. Wait until they are over half full at least. The flow will be a lot better to drain. Black first then grey to help rinse hose out.

02-15-2020, 05:49 AM	#27
Fuzion 369 Member Join Date: Mar 2018 Location: Cameron Park Posts: 38	Closed. Wait until they are over half full at least. The flow will be a lot better to drain. Black first then grey to help rinse hose out.