Would a small fuel pump work on H20

[apextrans]

OK, H20 is in & work sometimes but the pump loses it's prime if not used frequently. I guess its because the pump inlet is higher than the tank outlet. Gravity is not happy with the setup. I was thinking about putting a small fuel (or any type of fluid) pump in the feed line so I wouldn't have to tear out everything I already did. Any recommendations on a suitable pump? Also, I was thinking of just tapping into my boost switches for power to the pump, but would it be better to just wire the little pump direct so I could prime the nozzle pump? If so, would I need some type of return line to the tank if I wanted to keep the little pump running even with the H20 in standby mode? If your wondering to yourself why I don't just raise the tank higher, it's because the tank isn't permanant. It's taking up too much bed space & I plan to find a slightly smaller tank to mount under the truck, which will further hinder gravity's abilities. Anyone? Thanks

 

[JPR]

how about a check ball on the suction to prevent the water from draining back?

 

[beretzs]

How is that H20 Injection working? Did you figure out the priming issue? Sorry been a stranger for awhile. Been working pretty long weeks, Days and hours lately. Anyhow, just wondering how it is working out? Scotty

 

[wwwabbit]

Why not stick a windshield washer pump at the tank, that should have more then enough to prime it...

 

[apextrans]

JPR - that would work but at times I don't think there's anything for the ball to hold back. I'm not getting anything into the pump.

Scotty - How've you been? Thought you may have been deployed early. As you can see, Still having priming issues. I'll email you some pics.

WWWabbit - I thought of that. You think it would have enough ass to push the fluid 8-9 feet? Usually the washer pumps only have to push a short distance, like less than a foot.

How about the wiring end of it? Off the boost switches or independent of the system?

 

[F350camper]

Scott, I had the same problem you describe. I solved it with part number 5492K51
from here:
http://www.mcmaster.com/

 

[apextrans]

Thanks Rob. Was your tank lower than the pump on the Splash?

 

[F350camper]

Yes, so I put the check valve as close to the tank as possible. It's been a while since I bought mine, so they might have changed. But on mine you can unscrew the two halves of the valve and remove the spring. This ensures that 0 liquid can flow in the reverse direction, and it makes it so almost no pressure is required to open the valve in the forward direction. I would send you mine, but it has found a new home on the end of my vent tube for the big fuel tank that I just installed.

 

[JPR]

Is that your roll over valve?

 

[F350camper]

I guess you could call it that. But in a more practical sense, if I hit a huge bump and the tank is full it won't allow liquid out the vent tube.

 

[wwwabbit]

WWWabbit - I thought of that. You think it would have enough ass to push the fluid 8-9 feet? Usually the washer pumps only have to push a short distance, like less than a foot.

Well, the one I was playing with, water would land about 15 feet off the end of the hose (without a nosel on it) so ya, I don't think it would have any problems moving the water 8-9 feet in a hose. Think of how far most of them shoot water.

 

[apextrans]

Yeah, good point. Gotta hit the NAPA.....again. Thanks.