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Old 09-11-2024, 03:36 PM   #1
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Testing new water pump. A+

We're always working to make things just a little bit better. While I am not really bothered by the water pump, certainly at night some people might be. There is an add on item, that makes it variable speed....but I hate adding complexity if I can avoid it.

We just got in, and installed, this SeaFlo variable speed water pump and it was quite impressive.

Most of the industry uses 3gpm, which is fine, until I hear what running two fixtures does (noise wise) so we started using 4gpm a few years back.

This one says it is 5gpm. With just a trickle, it does not come on at all...but eventually it will once the pressure drops enough. Thing is, even at full flow, I could barely hear it.

Seems like a no brainer.
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Old 09-11-2024, 04:51 PM   #2
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Sounds like it works just like the IRVWPC2 controller I installed so it must just have the same electronic intelligence built-in. I am pretty pleased with the controller but a pump that works this way out of the box is the way to go.

I agree it sounds like a winner if the pump will do it all and keep things simple.


Ship it!!!!
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Old 09-11-2024, 05:57 PM   #3
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Originally Posted by bclemens View Post
We're always working to make things just a little bit better. While I am not really bothered by the water pump, certainly at night some people might be. There is an add on item, that makes it variable speed....but I hate adding complexity if I can avoid it.

We just got in, and installed, this SeaFlo variable speed water pump and it was quite impressive.

Most of the industry uses 3gpm, which is fine, until I hear what running two fixtures does (noise wise) so we started using 4gpm a few years back.

This one says it is 5gpm. With just a trickle, it does not come on at all...but eventually it will once the pressure drops enough. Thing is, even at full flow, I could barely hear it.

Seems like a no brainer.
Brian, would this be a simple disconnect and removal of the old and replace with the SeaFlo on our 2023 Force? I understand mounting may not match up, but plumbing and electrical connections?
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Old 09-11-2024, 06:04 PM   #4
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Brian, would this be a simple disconnect and removal of the old and replace with the SeaFlo on our 2023 Force? I understand mounting may not match up, but plumbing and electrical connections?

Water pumps are pretty much plug-n-play for the most part. Given my past experience with different coaches and water pumps, you should be able to do it fairly easily if you have easy access to the pump.
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Old 09-11-2024, 06:14 PM   #5
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It can be done, not plug and play. With it being a 5gpm pump, I do think it jumps to 3/4" pex.
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Old 09-11-2024, 06:24 PM   #6
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It can be done, not plug and play. With it being a 5gpm pump, I do think it jumps to 3/4" pex.

Looks like the 56A offers connectors for multiple size plumbing so it should be able to connect up to 1/2" PEX I would think.

The manual also says 1/2"ID minimum using reinforced hose or PEX.
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Old 09-12-2024, 05:33 AM   #7
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According to comments on Amazon, it only come with one each for the connectors instead of 2 each. So you have to order an additional connectors , kind of pain IMO
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Old 09-12-2024, 05:39 AM   #8
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If people don't have an issue with pump noise, there is no need to change it out.

That being said... depending on what size fittings ship with the unit, you can get inexpensive adapters.

It is ships with 3/4" fittings, for $6 you can two 3/4" to 1/2" PEX fittings.

You can also use reinforced flexible hose, which is easy to use and route. I replaced my stock in-house water with a 3-filter water filtration system and used reinforced 1/2" hose for easier routing.

I do like the fact they use quick disconnect fittings on the pump. If a pump were to fail, swapping it out wouldn't take much more than a screw driver to remove it from where its mounted.
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Old 09-12-2024, 05:52 AM   #9
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The Seaflo website shows a few different connector options for the 5X series pumps; including this 3/4" Quick Connect to 1/2" PEX fitting. That would make it pretty simple.... even if you have to order the fittings separately.


https://www.seaflomarinerv.com/index...tid=308&page=2



And it is available on Amazon....


https://www.amazon.com/SEAFLO-Barb-S.../dp/B072W2KLB2
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Old 09-12-2024, 06:03 AM   #10
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I fitted an accumulator "tank" (really to small to be a tank) 20 years ago and haven't looked back. Maybe holds a half gallon so the flow is very smooth and the pump doesn't run right away.

For fun I measured how long it took to fill a gallon jug. 3gpm pumps seem to put out less than 1gpm thru the plumbing. I don't even count the 12vDC use for these pumps in my total amphour consumption since they barely use any amphours to drain the 30 gallon tank.

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Old 09-12-2024, 09:58 AM   #11
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Quote:
Originally Posted by bclemens View Post
We're always working to make things just a little bit better. While I am not really bothered by the water pump, certainly at night some people might be. There is an add on item, that makes it variable speed....but I hate adding complexity if I can avoid it.

We just got in, and installed, this SeaFlo variable speed water pump and it was quite impressive.

Most of the industry uses 3gpm, which is fine, until I hear what running two fixtures does (noise wise) so we started using 4gpm a few years back.

This one says it is 5gpm. With just a trickle, it does not come on at all...but eventually it will once the pressure drops enough. Thing is, even at full flow, I could barely hear it.

Seems like a no brainer.
This statement is even more impressive than the pump's performance.
Atta boy Brian!
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Old 09-12-2024, 11:25 AM   #12
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I'm assuming this is the pump in question? https://www.amazon.com/SEAFLO-Variab...59&sr=8-5&th=1
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Old 09-18-2024, 09:08 PM   #13
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So I’m new to the motorhome experience. Looking to buy a spare for my 2021 Force. I’m guessing it would be fit with the correct fittings?
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Old 09-18-2024, 09:18 PM   #14
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That is correct. If I did not already have a spare Seaflo pump, I would buy this one in a heart beat as I dislike the noise in the middle of the night from a single speed pump..
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Old 09-19-2024, 07:47 AM   #15
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Looks like the 56A offers connectors for multiple size plumbing so it should be able to connect up to 1/2" PEX I would think.

The manual also says 1/2"ID minimum using reinforced hose or PEX.
Pump noise doesn't bother me, but I am always interested in increasing shower head pressure.
From the stock I3 Freedom pump, I wonder how much shower head pressure would increase if this was installed with current AWG wiring in place, and stock PEX tubing in place.
Just replacing the pump only.
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Old 09-19-2024, 11:05 AM   #16
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Pump noise doesn't bother me, but I am always interested in increasing shower head pressure.
From the stock I3 Freedom pump, I wonder how much shower head pressure would increase if this was installed with current AWG wiring in place, and stock PEX tubing in place.
Just replacing the pump only.
Just remember..... more shower head pressure means more flow..... more flow means less hot water time from the Combi and much shorter navy showers.

Even with the 1.2GPM restrictor I installed we still have plenty of pressure and flow for a good shower...... and almost 7 minutes of hot water.
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Old 09-19-2024, 11:51 AM   #17
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Just remember..... more shower head pressure means more flow..... more flow means less hot water time from the Combi and much shorter navy showers.

Even with the 1.2GPM restrictor I installed we still have plenty of pressure and flow for a good shower...... and almost 7 minutes of hot water.
Sometimes the dirt is so deep I need to be sandblasted.
I can still control the flow with the flow valve on the showerhead.

Just don't know if the current wiring AWG supports the pump. It's a short run to the batteries so according to the manual 14AWG should do the trick.

Also don't know if the current PEX tubing supports the increased pressure.
It's a probable pump upgrade if
1- I don't have to change out plumbing
2- no change to electrical runs
3- The possible increase of pressure at showerhead is enough to justify it.

Without any past pump upgrade reviews, I'd have to find an online calculator that can predict the current and upgraded pressure at the showerhead given the various parameters available.
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Old 09-19-2024, 01:10 PM   #18
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Sometimes the dirt is so deep I need to be sandblasted.
I can still control the flow with the flow valve on the showerhead.

Just don't know if the current wiring AWG supports the pump. It's a short run to the batteries so according to the manual 14AWG should do the trick.

Also don't know if the current PEX tubing supports the increased pressure.
It's a probable pump upgrade if
1- I don't have to change out plumbing
2- no change to electrical runs
3- The possible increase of pressure at showerhead is enough to justify it.

Without any past pump upgrade reviews, I'd have to find an online calculator that can predict the current and upgraded pressure at the showerhead given the various parameters available.
- Its residential PEX..... it can handle it. When I installed my 30-stage water filter I used reinforced RV water hose good to 150PSI connected to the PEX for easier installation. This pump only goes to 70PSI.

- At 5GPM, it draws 10A so 16AWG wiring can handle up to 15A.

- I guess I don't quite understand the benefit of more showerhead pressure if you have to fuss with the flow. I like simple. Turn on the water and adjust to the desired temp without having to touch anything until I am done and ready to shut off the water. But hey.... to each, their own.
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Old 09-19-2024, 05:19 PM   #19
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- I guess I don't quite understand the benefit of more showerhead pressure if you have to fuss with the flow. I like simple. Turn on the water and adjust to the desired temp without having to touch anything until I am done and ready to shut off the water. But hey.... to each, their own.
The higher the pressure, the faster you get wet, the faster the soap is rinsed off, the quicker the dirt is removed.
So if the pressure is high enough, I can have a sub 3 minute shower and be throughly cleaned with hot water to spare!
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Old 09-21-2024, 02:30 PM   #20
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The 70 psi cut off will increase water usage in the other areas besides the shower. The sinks will flow more and the toilet will use a lot more water. Personally I limit my city water connection to 45 psi just for that reason. I am not sure I would want the pump supplying that much more pressure and flow.
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