Thanks to all in this thread who mentioned a water pump to fill up a freshwater tank.
Yesterday, I purchased the 120 VAC transfer water pump (shown below) at HFT. It is perfect for what I wanted. It took me less than six HFT buckets full of water to go from a half tank to a full tank in this RV's fresh water tank.
My AC outlet is right next to the boondock water inlet, so I went with a 120 VAC pump. On sale now for Inside Tract Member, which I am. I also get quite a bit of cashback by using my HFT credit card.
There are plenty of places to get water at this RV camp, but they do not allow them to be connected to RVs. So the pump is very handy here, which means longer showers, etc., without needing to go to the dump station area for fresh water.
I can always use my inverter when I have no shore power. I have no need for a 12-volt water pump. The 120 VAC is more pracical for this RV.
The pump below is what I used, and I highly recommend it to anybody who needs to pump this way. It is super fast! Almost too fast, but I can lower the speed with my output tube (shown in my photo). But this pump has no switch, it runs as soon as plugged in. But you can always use a small switched power strip with it if you feel you need the AC switch. I use it as shown, no switch, I just unplug it as needed. It comes with spare brushes and motor parts, but I didn't see any instructions other than what is on the box. But I have the entire thing figured out such as how to replace all of those spare parts.
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And this is what it looks like as used, except I then keep my hands on the pump instead of the camera:
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And for being a big spender using the HFT CC at HFT:
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I assume the above is not transferable to others, or else I could now be out ten bucks!
-Don- Tucson, AZ