Have ya'll heard of this yet?

I picked 2 GPM as that's what most showerheads flow at about 40 psi. (The Federal Energy Policy Act of 1992 required all faucet and shower fixtures made the USA to have a flow rate of no more than 2.2 GPM at 60 PSI.)

As for engineers, don't ever equate what most RV manufacturers do as engineering them. Don't need engineers to design and validate them. The customers do that for them. And we accept it.

Just a comment where RV water pumps are concerned......

When leaving our RV we always turn the water pump off. Also we never leave our coach directly connected to the campground. We always turn it off at the campground hydrant. You never know when the campground water pressure will surge to high pressures and affect your coach. We also have a water pressure gauge (in between our hose and the campground hydrant) and it is set between 40 and 45lbs of pressure. Recently, at a San Antonio campground we stay in had water pressure of 75 lbs. The campground host said at night it gets even higher. When we walked the campground, there was no rv without a water pressure regulator hooked to their camper.

Happy travels.

Just as a sidebar to this subject, if your looking for a better shower in your RV, you might consider adding an OXYGENICS SHOWER HEAD. I heard great things about it and, although skeptical, I sprang for one. Best money on an accessory that I'd spent in awhile.

OXYGENICS RV SHOWER HEAD

Using our stock on-board pump always resulted in wimpy showers. Adding this shower head greatly improved the shower pressure and now made it more like "at home" and enjoyable to shower in the RV, even when using the on board pump. I was surprised that something worked as advertised, but it does. Now, I (and more importantly, DW) don't mind having to shower using the on-board pump.

I changed my on board pump a couple of years ago, so it's fairly new (Standard Shurflo replacement pump). In the meantime, I bought a new Shurflo pump that is rated at 55 psi. (I don't remember the model off hand). Since the current pump is fairly new and the addition of the new shower head greatly improved the shower, I'll just hang on to the new Shurflo until the current pump gives out.

If you're trying to improve your shower in your rig, rather then throw down some big bucks on a more powerful pump, I recommend trying one of these first. Camping World sells these as well.

I'm just a guy who works at overcoming what "engineers" do to make RV life difficult. :) :) If you are happy with a 2gpm shower just use a bucket and a tea cup. That way you won't be on the forum asking how to get a decent shower in your RV. OR...you can get a variable speed pump that will keep the flow pretty constant when someone else opens a faucet while you are showering.

Engineers...the guy that makes you stand on your head to add engine oil, puts plastic coolant surge tanks in direct sunlight, mounts toilets so you can't even wipe puts windshields in to big holes...and the list just keeps on rollin'. :) :)

NOT a personal attack...just an observation based on real world experience/use in 30+ years of RVing. AND...my little brother is in the industry, we have this discussion frequently. :(

I'm an engineer, so I made a spreadsheet...
Went to the Shurflo and Remco websites and grabbed the specs for a couple pumps. Plotted them:


At 2 GPM, what a low flow showerhead should use, all 3 will produce about 40 psi. Only at lower flows does the Remco pump produce higher pressure. Significantly higher? Maybe? Hard to tell from the data.

Kiwi_too wrote:

This water pump was just installed in my motorhome and it sounds like there is a 747 in the basement ready to take off. This is beyond any reasonable noise standard for a water pump. Works great though, water blasts out of the faucet. I'd rather had a FloJet reinstalled but this is a warranty issue covered by an extended warranty plan and I don't get a say in what is installed. I tried to find a way to muffle the noise and was not successful. The water pump is in the garage under the commode, turn it on and the floor/your feet vibrate from the noise when you flush. I'm sure the adjoining camping site will hate it as much as I do.

On the positive side, you won't forget to turn it OFF !.....:).....Dennis

Same one that came in my Monaco. They last about five years with heavy use. We mostly use the pump instead of cg pressure. Great pump... beats the heck out of Surflo.

60 psi is nice, but...... Most RV's are labeled 45 or 50 PSI max, the reason for this is SOME, I stress SOME RV toilets, the seals in the fresh water valves are only rated for 60 PSI, you hit 61 they can rupture,,, this is when it is new, USED that 60 might be 55.. So i would not go more than 50 PSI (Nor do I even if my system has been tested to higher pressures).

It is not so bad when a kitchen fitting blows a seal, you KNOW that is fresh water, but when you blow one on the toilet.......... HAZ MAT procedure is invoked cause you do not know.

damn ! i just rebuilt my shuflo !

I installed this pump a few weeks ago to replace a shurflo extreme that had failed and was discontinued.

When first installed, it was VERY lound. It also didn't shut off, kept clicking over slowly unless I flipped the switch to off and then back on.

After some time in actual use (3 days boondocking) it is now quiet as a church, shuts off when the rated pressure is reached, and does indeed provide "home-like" pressure in the shower and at the faucets.
It's only been 3 weeks, talk to me again in a year, but so far "highly recommended" and both better and quieter than the shurflo extreme 5.7 I replaced.