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Old 05-18-2016, 12:46 PM   #1
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Water Systems: 12v and foot pumps?

I am currently working on coming up with a plan for our water system. I plan on installing a 12v pump, but I am also considering a foot pump at the kitchen sink to help conserve power and water as needed. Has anyone installed both an electric pump AND a foot/hand pump system? I would think that to use one vs the other I would need to install a series of T's and shutoff valves to isolate each pump system, but that seems simple enough. I am also wondering if the foot pump can be used for hot water? I guess I would need two foot pumps at the sink, one for hot and one for cold? Would a hot water heater function properly when used in conjunction with a foot pump?

I am just thinking out loud here. Please share any insight you may have on either pumping system and the idea of using both together.

Thanks!
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Old 05-18-2016, 01:24 PM   #2
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Quote:
Originally Posted by WhiteWhale View Post
I am currently working on coming up with a plan for our water system. I plan on installing a 12v pump, but I am also considering a foot pump at the kitchen sink to help conserve power and water as needed. Has anyone installed both an electric pump AND a foot/hand pump system? I would think that to use one vs the other I would need to install a series of T's and shutoff valves to isolate each pump system, but that seems simple enough. I am also wondering if the foot pump can be used for hot water? I guess I would need two foot pumps at the sink, one for hot and one for cold? Would a hot water heater function properly when used in conjunction with a foot pump?

I am just thinking out loud here. Please share any insight you may have on either pumping system and the idea of using both together.

Thanks!
Just my 2c, sounds like a lot off wasted effort, not trying to be a smart ass just sounds like a lot of extra plumbing & unnecessary work.
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Old 05-18-2016, 01:41 PM   #3
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water and pump are independent of one another, so that isn't an issue. Your water pump shouldn't consume that much electricity. It's peak usage would be during showers, or, priming the system for first use of the season.

I agree with Stu & Filo, the foot pump seems futile in this case. If you want an emergency back up, say, your pump kicks the bucket, I would just keep a spare. Foot pumps are going to make bathing a bit difficult, especially when someone has to pump while you bathe.
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Old 05-18-2016, 02:29 PM   #4
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As stated in my original post, the idea behind the foot pump is not just conserving electricity, but water as well. I know in a regular residential setting with an endless flow of water people tend to leave the faucet running much longer than needed for a given task. My thought is that a foot pump system would drastically redcue wasted water. Not NEEDING power to get water at the faucet is an added bonus. And yes the pump would likely be used for showering, I suppose...

Maybe water conservation is more of just a change of habbit we could adjust to even with an electric pump. But im fairly certain a foot pump would only make it more efficiet.
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Old 05-18-2016, 05:10 PM   #5
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I agree, but I have a hand pump. That sounds bad. Point is someone can't leave the water running. There's a certain amount of inconvenience purposely built into a hand/foot powered pump and it serves the purpose of minimizing water usage.
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Old 05-18-2016, 05:41 PM   #6
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I'm doing the same thing. I will have a secondary circuit that will use a foot pump for the kitchen sink if for some reason we lose power, most of the time the electric pump will be the primary source, but if the batteries go down or I just don't feel like using it I have that option. We seem to have the same bus as well.
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Old 05-18-2016, 06:39 PM   #7
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I did end up getting an electric 12 v pump. It's pretty hard to siphon water out of the barrels after they get half empty. I'm still waiting for the hoses for my hand pump. It's actually just a new hand powered bilge pump. With a spring that could be rigged as a foot pump.
The point with this bilge pump is supposed to be capable of 720 gallons per hour. If it does a third of that I'll be happy. No I don't have to have somebody pump it while I'm in a shower. I don't have a shower in this rig.
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Old 05-18-2016, 07:03 PM   #8
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As far as the hot water part of your question?
If you checked the working temperature ratings the manufacturer and it is better than 140(160-180 better) then it will work with hot water but depending on the length of the piping from the heater to the pump and fixture you could spend more time pumping and water used waiting for it to warm up?
If conservation is the issue then buy the low flow faucet,water saver screen adapters for your existing faucet or just put your foot down? NO not on the pump trying to get hot water?
Without use or a recirculating pump even in/with the biggest and the best hot water heaters made the piping directly connected,anything downstream and inside some? Depending on placement of the top heating element/source the top 1/3 could lose temp. Even though heat rises without movement the temperature stays steady around the element but doesn't stratify in the tank or to the top of the tank. That is why in a normal house you have to run your shower,vanity,kitchen sink or whatever for a few minutes before you get tempered/hot water there.
I would hate to have to foot pump from my water heater to my kitchen sink? I would give up the second it's there then tell my kids that there washing dishes.
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Old 05-18-2016, 08:21 PM   #9
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When I grew up, Mom & Dad had an automatic setup. We automatically got up, took our dishes to the sink, washed & dried them and put them away.
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Old 05-18-2016, 08:32 PM   #10
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My 15&16 have that down pat but now they want a vehicle to drive and all I have for them is the bus? My 15 is fearless until I tell him to get the bus out of the driveway and we will work on his driving permit log and my 16 says I ain't driving that thing?
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