Posted 3/5/2012 20:59 (#2269946 - in reply to #2269922) Subject: Re: Adding garden hose/sprayer to nurse tank
IMO it wont hurt to dead head for a short time. I do it with the same pump set up without any problems. As long as the pump is full of liquid. It's a dry pump that will take out seals.
I've heard of those pumps breaking so I throttle back to avoid a big surge.