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Old 05-22-2014, 06:39 PM   #11
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And the pump should turn off after it pressurizes the tank. If it does not turn off after a few minutes, check for water dripping somewhere. outside shower, sinks, low point drain, etc.
Not to confuse the OP. After your water system is pressurized, not your water holding tank (that's where the water comes from via the pump) the pump should turn off. And yes, (with no hookups and water in the holding tank) with the pump on is a good way to check for possible leaks (as verified by pump cycling and no demand at any faucets). Just a thought for a newby.
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Old 05-23-2014, 04:44 PM   #12
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Just to piggyback on the original, I'm new to RVing and don't know if I'm hooked into city water do I still need to run the pump to fill the hot water tank when I want hot water. Thanks!
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Old 05-23-2014, 04:46 PM   #13
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Just to piggyback on the original, I'm new to RVing and don't know if I'm hooked into city water do I still need to run the pump to fill the hot water tank when I want hot water. Thanks!
Leave your 12v water pump off if you are hooked up to city water. The city water hookup does not go into your fresh water tank, it goes directly into the camper water lines. The 12v water pump has a check valve built into it to keep water from 'back flowing' into the fresh water tank.
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Old 05-23-2014, 05:02 PM   #14
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OK, so this may be a dumb question but do you have to have the water pump on when you are hooked up to a water supply? We don't normally put any water in our fresh water holding tank. We had the water pump on the other day and it started making this clicking noise. I hope we didn't burn it up. It is sad that we have had our camper for 2 years and we are still not sure of much. We just never have had any experience with them. :-/


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When I was first starting out I also wasn't sure to turn it on or not with hook ups. My service department said it wouldn't hurt the pump but it would put extra miles on it.

Please feel free to post any questions you may have. This is a great place to get answers.
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Old 05-23-2014, 05:33 PM   #15
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Best to keep about 5 gal in the fw tank for flushing, etc while on the road. Just make sure you turn the pump off while traveling in case a pipe breaks, someone leaves a faucet on, etc.
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Old 05-29-2014, 03:55 PM   #16
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Very good answers. I have read that you are not supposed to run the water pump while on city hookups. So, if I accidentally bump the pump switch on, what can happen to the pump?

Thanks guys.
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Old 05-29-2014, 04:23 PM   #17
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Very good answers. I have read that you are not supposed to run the water pump while on city hookups. So, if I accidentally bump the pump switch on, what can happen to the pump?

Thanks guys.
Brandi

Your 12v pump is 'set' to only run psi so high. If all of your units water lines are full of water (faucets shut off), the pump will 'feel' this back pressure and the motor will shut off and be on a 'stand by'. If you are on city water and you have your pump on, if you run water the pump may 'feel' a drop in the 'back' water pressure and come on and pump water out of your fresh water tank. When the faucets are shut off again the pump will 'stop', but it will be 'energized' and be 'ready' when the pressure of the line falls again. If you do this too much you will drain your fresh water tank and put stress on your 12v water pump. It will take a lot of weeks (months?) of this to really effect the quality of the pump, but it will wear it down over time.
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Old 05-29-2014, 04:34 PM   #18
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Very good answers. I have read that you are not supposed to run the water pump while on city hookups. So, if I accidentally bump the pump switch on, what can happen to the pump?

Thanks guys.
Brandi
Doubt you will notice any adverse effects at all as the pump is designed to pump water and as for draining the fw tank, it won't pump much with you hooked to cg or city water. Don't worry about it.
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Old 05-29-2014, 04:46 PM   #19
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Cool. Didn't think you could break it that easily.

What a great place for answers.
Brandi
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Old 05-29-2014, 04:51 PM   #20
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Cool. Didn't think you could break it that easily.

What a great place for answers.
Brandi
If you have decent city hook up pressure, I doubt if the pump would even cycle, at least ours never does and it is a 2012 model. On board regulator is set @ 50#
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