Battery water pump

**csa** · 08-07-2015, 08:33 AM

Here's the setup. Yes, it is "choked" down to garden hose size; but what would I use besides a garden hose? Remember I have to coil this hose in the winter, so it must remain fairly small & pliable. I park the suburban up on the road to drain the 100-gal tank into the storage tank.

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**csa** · 08-07-2015, 08:36 AM

BTW, I do not use the 50' hose in the pictures to drain into the storage tank, I have a shorter section of hose attached to the pvc pipe, that just reaches the spigot in the suburban.

stormtech · 08-07-2015, 08:37 AM

You have the tank outlet bushed down from what looks like 1" or 1 1/4" to a 1/2" valve - then choked down even more reducing it to garden hose size.

You need a valve and hose to match the outlet size opening. That 100 gallon tank would then drain in a matter of minutes.

**csa** · 08-07-2015, 08:41 AM

As I mentioned, I need a hose that is easy to handle for me, to coil up in cold weather. A much larger hose, 50' would be totally unmanageable for me to handle. Remember I also use this tank to haul/empty my house water, year around. I use the full 50' to reach the house.

I appreciate everyone's input, I just thought a small pump might be feasible, since it's not; I'm stuck with what I have.

wibbly · 08-07-2015, 08:42 AM

Pressurize the tank with compressed air. If it can be sealed of course

**csa** · 08-07-2015, 08:44 AM

How in the world would I pressurize it several times in a row, as I'm hauling the water?

wibbly · 08-07-2015, 08:49 AM

With a surge tank.

Tom S. · 08-07-2015, 09:00 AM

What you need is an RV sewer/grey water tank dump valve. They are 3" in diameter and contain a gate valve. It would need to be glued into the tank with something like JB Weld, but is very do-able. The valve looks like this:

Dump Valve

Then you need the hose that connects to the valve. They call them "stinky slinky", because they stretch out and collapse back after use"

RhinoFLEX Swivel RV Sewer Kit - Camco 39761 - Sewer Hoses - Camping World

Total time to empty a 100 gallons with this set up would be on the order of around 5 minutes or less.

Rupert · 08-07-2015, 09:00 AM

Originally posted by csa

Rupert, as a plumber, any ideas? J

Suggest you go online and look at RV dealer/parts sites. I once had a RV pump that ran off a 12v car battery, but the flow rate was not all that fast. My current waste transfer pump pumps out 60 gpm but is AC powered and too heavy for portable use.

A 2" drain with a cut-off valve should empty it pretty fast......I could do the math, but am too lazy. If the vent is big enough, and I'm sure it is?....it should empty in no time!

I don't think AA batteries would hold up very long under a load like a pump anyhow? The more amps pulled, the faster they go dead.

Regards!

bigdavephoto · 08-07-2015, 09:09 AM

From what I am seeing here, If you are not using 50 foot garden hose but a shorter one (10-20 foot) , I would suggest going to your major chain hardware store and look at clear flexible plastic 1 inch to 1-1/4 inch inside diameter tubing and related hardware.

**csa** · 08-07-2015, 09:09 AM

Tom, I would still need a valve with a regular hose connector to empty the water into the house storage tank. I use this, installed on the outside of the house, with pvc pipe that goes directly into the tank in the house.

**csa** · 08-07-2015, 09:12 AM

Originally posted by bigdavephoto

From what I am seeing here, If you are not using 50 foot garden hose but a shorter one (10-20 foot) , I would suggest going to your major chain hardware store and look at clear flexible plastic tubing 1 inch to 1-1/4 inch inside diameter tubing and related hardware.

The valve on the tank would still restrict the flow, wouldn't it?

bigdavephoto · 08-07-2015, 09:16 AM

If you are using a 3/4 inch valve, yes it would so you would also need to move up to a 1 inch valve (or to which ever size you need to use).

**csa** · 08-07-2015, 09:24 AM

I also would have to go to a 1" 50' hose, which would be quite heavy for me to work with; and completely redo the drain system into the house tank. I really cannot do all this, in order to save may 10 minutes of time. I just thought a pump might be the answer, but since it's not, I'll make do with what I have.

vonBaloney · 08-07-2015, 09:26 AM

What Tom S. said. Make a separate big hole for draining, use the current hole for everything else.

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08-07-2015, 08:36 AM	#17
csa Loyal Site Supporter Join Date: Aug 2014 Location: Montana mountains Posts: 10,133 Original Poster	BTW, I do not use the 50' hose in the pictures to drain into the storage tank, I have a shorter section of hose attached to the pvc pipe, that just reaches the spigot in the suburban.

08-07-2015, 08:37 AM	#18
stormtech Veteran Member Join Date: Jan 2011 Location: In the boonies (NW Penna) Photos: Gallery \| Albums Posts: 5,744	You have the tank outlet bushed down from what looks like 1" or 1 1/4" to a 1/2" valve - then choked down even more reducing it to garden hose size. You need a valve and hose to match the outlet size opening. That 100 gallon tank would then drain in a matter of minutes.

08-07-2015, 08:41 AM	#19
csa Loyal Site Supporter Join Date: Aug 2014 Location: Montana mountains Posts: 10,133 Original Poster	As I mentioned, I need a hose that is easy to handle for me, to coil up in cold weather. A much larger hose, 50' would be totally unmanageable for me to handle. Remember I also use this tank to haul/empty my house water, year around. I use the full 50' to reach the house. I appreciate everyone's input, I just thought a small pump might be feasible, since it's not; I'm stuck with what I have.

08-07-2015, 08:42 AM	#20
wibbly Veteran Member Join Date: Nov 2014 Location: Edmonton Posts: 600	Pressurize the tank with compressed air. If it can be sealed of course

08-07-2015, 08:44 AM	#21
csa Loyal Site Supporter Join Date: Aug 2014 Location: Montana mountains Posts: 10,133 Original Poster	How in the world would I pressurize it several times in a row, as I'm hauling the water?

08-07-2015, 08:49 AM	#22
wibbly Veteran Member Join Date: Nov 2014 Location: Edmonton Posts: 600	With a surge tank.

08-07-2015, 09:00 AM	#23
Tom S. Veteran Member Join Date: May 2008 Location: S.E. Michigan Photos: Albums Posts: 4,317	What you need is an RV sewer/grey water tank dump valve. They are 3" in diameter and contain a gate valve. It would need to be glued into the tank with something like JB Weld, but is very do-able. The valve looks like this: Dump Valve Then you need the hose that connects to the valve. They call them "stinky slinky", because they stretch out and collapse back after use" RhinoFLEX Swivel RV Sewer Kit - Camco 39761 - Sewer Hoses - Camping World Total time to empty a 100 gallons with this set up would be on the order of around 5 minutes or less.

08-07-2015, 09:00 AM	#24
Rupert Veteran Member Join Date: Sep 2006 Location: Texas Photos: Gallery \| Albums Posts: 25,123	Originally posted by csa Rupert, as a plumber, any ideas? J Suggest you go online and look at RV dealer/parts sites. I once had a RV pump that ran off a 12v car battery, but the flow rate was not all that fast. My current waste transfer pump pumps out 60 gpm but is AC powered and too heavy for portable use. A 2" drain with a cut-off valve should empty it pretty fast......I could do the math, but am too lazy. If the vent is big enough, and I'm sure it is?....it should empty in no time! I don't think AA batteries would hold up very long under a load like a pump anyhow? The more amps pulled, the faster they go dead. Regards!

08-07-2015, 09:09 AM	#25
bigdavephoto Pentaxian Join Date: Nov 2011 Location: East central Indiana Photos: Gallery Posts: 893	From what I am seeing here, If you are not using 50 foot garden hose but a shorter one (10-20 foot) , I would suggest going to your major chain hardware store and look at clear flexible plastic 1 inch to 1-1/4 inch inside diameter tubing and related hardware.

08-07-2015, 09:12 AM	#27
csa Loyal Site Supporter Join Date: Aug 2014 Location: Montana mountains Posts: 10,133 Original Poster	Originally posted by bigdavephoto From what I am seeing here, If you are not using 50 foot garden hose but a shorter one (10-20 foot) , I would suggest going to your major chain hardware store and look at clear flexible plastic tubing 1 inch to 1-1/4 inch inside diameter tubing and related hardware. The valve on the tank would still restrict the flow, wouldn't it?

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08-07-2015, 09:16 AM	#28
bigdavephoto Pentaxian Join Date: Nov 2011 Location: East central Indiana Photos: Gallery Posts: 893	If you are using a 3/4 inch valve, yes it would so you would also need to move up to a 1 inch valve (or to which ever size you need to use).

08-07-2015, 09:24 AM	#29
csa Loyal Site Supporter Join Date: Aug 2014 Location: Montana mountains Posts: 10,133 Original Poster	I also would have to go to a 1" 50' hose, which would be quite heavy for me to work with; and completely redo the drain system into the house tank. I really cannot do all this, in order to save may 10 minutes of time. I just thought a pump might be the answer, but since it's not, I'll make do with what I have.

08-07-2015, 09:26 AM	#30
vonBaloney Pentaxian Join Date: Oct 2011 Location: Albuquerque, NM Posts: 6,029	What Tom S. said. Make a separate big hole for draining, use the current hole for everything else.