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Old 03-07-2013, 03:58 PM   #1
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coach water pump

Hello... is it okay to leave water pump switches on all the time when we have full hook ups or boondocking? Or should I turn them on just when I need some water from either sink shower ect...
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Old 03-07-2013, 04:09 PM   #2
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Hello... is it okay to leave water pump switches on all the time when we have full hook ups or boondocking? Or should I turn them on just when I need some water from either sink shower ect...
If you have full Hookups you leave the Pump OFF.

Boondocking you would need them on only when you need water, as there is a draw on the house batteries when the pump is on even if your not using water.

Ted.
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Old 03-07-2013, 04:46 PM   #3
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Depends on the pump controller.

Basic pump and switch only draws current when pumping, zero standby current.

However water and drain storage are limited supply, and either tank is usually smaller than supply, so best is turn on when using or while present, turn off at night or when away.

A dripping fawcet can fill the Gray than and use most of your water while maybe getting the floor set, leaky toilet also uses most of the water and gets the floor wet...

It has been posted already, so some have experience. ..
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Old 03-07-2013, 04:47 PM   #4
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I only turn on the pump when I am in the coach and using water regularly. Otherwise I turn it off. Most people seem to agree not leaving the city water pressure on if you are not in the coach. Some campsites have high water pressure and this could cause a pipe to come apart inside the coach causing flooding. Most seem to recommend a water pressure surge protector to prevent high pressure from entering the rv. I would recommend filling your tanks and use your own pump as needed. Also dont leave your waste tank valves open at a campsite either. Drain the tanks when they are about three quarters full. If you leave the valves open, the water can drain away leaving the solids behind, causing the dreaded poop pyramid.
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Old 03-07-2013, 04:51 PM   #5
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Turn the pump off when not in use. As for turning off the campground water, be sure to depressure the system by opening an interior faucet. Otherwise the water trapped in the hose can easily over heat and exceed its pressure limits when left in the sun in the summer.

Ken
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Old 03-07-2013, 05:17 PM   #6
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Thanks Ted... Is it possible that I have caused damage to the water pump due to overheating? Because I did have it on when there was no potable water in the tank. I have since filled the tank and the pumps seem to be working okay.
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Old 03-07-2013, 05:32 PM   #7
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Turn the pump off when not in use
This advice seems a bit extreme if it is to be taken literally. These vehicles are our homes and we don't rush out to the main tap at home every time we need a bit of water. Most of us don't turn off the water heater when we are not actually using hot water, or flip the salesman's switch when we are not using any power.

By all means turn off the pumps and anything else that isn't being used if you aren't going to be using them for hours, or if you are away for the day, or actually mobile, but the rest of the time do as you do back home - leave it all operational.

On mains supply, especially if not using a decent pressure regulator, it makes good sense to turn it off when you are away for the day. Admittedly the risk is extremely low, but some unlucky owners have returned to a swimming pool instead of a motorhome. Even then, it would be likely that a Watts regulator set to a sensible pressure - say 30 to 40 psi - would have prevented at least some of those catastrophes.

Many diaphragm pumps are able to run dry for hours and even days without coming to any harm so it is unlikely you have done any damage.
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Old 03-07-2013, 06:16 PM   #8
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I agree with Tony - the advice above seems pretty extreme. We leave the pump off when connected to city water, since there is no reason to also be pumping water from our fresh tank, but otherwise it stays on so we can use the inside water faucets as they were designed to be used. Turning the pump on/off every time we want to run some water or flush a toilet is far "over the top" in my book. But I've only been doing this since about 1970, so what do I know?

We don't turn off the city water supply when we leave the coach for a few hours either. Don't do it at out stix & brix house either. And yes, I've had a water line break (at the S&B).

At the end of the day, each of us has to do what we are comfortable with and I guess shutting of pump switches or city water feeds is pretty harmless if it makes you feel safer.
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Old 03-12-2013, 02:59 PM   #9
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If you have full Hookups you leave the Pump OFF.

Boondocking you would need them on only when you need water, as there is a draw on the house batteries when the pump is on even if your not using water.

Ted.
If the pump isn't running, there is no current draw.
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Old 03-12-2013, 05:21 PM   #10
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Turn the pump off when not in use. As for turning off the campground water, be sure to depressure the system by opening an interior faucet. Otherwise the water trapped in the hose can easily over heat and exceed its pressure limits when left in the sun in the summer.

Ken
This thread opened my eyes. I've always wondered why Fleetwood put a pump switch in the bathroom, kitchen, main control box and outside shower? But hey, we leave it on all the time boondocking and off when hooked up to city water. We do use a pressure regulator on the city water and we leave it on all the time until we leave. In between trips I emptied the water tank and left the pump on for two days. Thought it would be toast when I discovered a weird sound coming from the coach and the darn thing was on. But, it still works like a charm? I even the leave the stick and brick for months at a time with all the water on so the sprinklers can keep the grass green. I'm doing everything wrong!!! I'm sure a leak somewhere down the road will change my ways, but if it does, I sure don't have a clue how I'm going to keep my grass green.......
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Old 03-12-2013, 06:15 PM   #11
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as there is a draw on the house batteries when the pump is on even if your not using water.
yes, probably true with the new generation electronically controlled pumps, but unless they were designed by a total incompetent, the drain is likely to be just a few milliamperes. Not too relevant for day to day operation of a working coach, but would be another item to isolate to prevent phantom loads flattening batteries during long lay-ups
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Old 03-12-2013, 11:57 PM   #12
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csrrsr I just let the grass go, now I have very little grass to mow!
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Old 03-13-2013, 12:40 PM   #13
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csrrsr I just let the grass go, now I have very little grass to mow!
I'm with you, but that's a really sticky subject with the DW???!!
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Old 03-14-2013, 07:34 AM   #14
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If the pump isn't running, there is no current draw.
There is a 50% chance there is a draw so is was just a recommendation for someone who asked for one.

Better to be on the safe side.

I don't understand why everyone is so hell bent on saying I am wrong.

Who Cares? it was just a recommendation and my JMO
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