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Old 02-17-2015, 03:55 PM   #1
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Thor Axis water pressure

What would you consider a maximum safe water pressure for a Axis? I used a regulator that was hard set for 30 psi. This works fine for the kitchen sink but not for the shower. I plan to install a Oxygenics 26481 Brushed Nickel Body Spa Shower Kit to see if it will improve the water flow.
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Old 02-17-2015, 04:45 PM   #2
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Many of the RV regulators are 40~50psi. Your rig should be able to handle that amount of pressure.
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Old 02-17-2015, 07:48 PM   #3
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Thank you FW28z, I will look for an adjustable pressure regulator that will allow me to dial in enough pressure not to exceed 50 psi.
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Old 02-17-2015, 10:15 PM   #4
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I have a 40 PSI regulator on my hose.
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Old 02-17-2015, 10:36 PM   #5
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We have two fixed pressure regulators and when I use them the shower is really bad. So one time I tried not using any regulator--it worked great LOL.
They funny thing is I think the city water connection is plumbed into the bathroom cold line since it's on the outside of the bathroom.
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Old 02-17-2015, 11:15 PM   #6
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Is the 40 psi strong enough for your shower?

Jamie, I thought about removing the regulator but chickened out. This is my first RV so I did not want to chance it.
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Old 02-18-2015, 12:15 AM   #7
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Quote:
Originally Posted by timp410
Is the 40 psi strong enough for your shower?

Jamie, I thought about removing the regulator but chickened out. This is my first RV so I did not want to chance it.
The fixed regulators we have are set to 45 psi or so...no it isn't enough for the shower (the on board water pump provides more!). I suspect the problem may be volume and not pressure (e.g. the regulators don't let water in fast enough to build up the pressure inside the system). In fact, this one is called a "hi-flow" regulator: hmmm
Stainless Steel Water Regulator

This is our 4th camper (two trailers and a 5th wheel before this one) so far we haven't had a water system problem yet..even when occasionally not using a regulator.
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Old 02-18-2015, 02:40 AM   #8
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Hey Jamie, given that more pressure did not improve the water flow in the shower makes me wonder if there is a design issue.
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Old 02-18-2015, 10:48 AM   #9
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Pull the shower head and check the screen some times all sorts of junk gets in there and clogs up the screen
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Old 02-18-2015, 11:04 AM   #10
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Pull the shower head and check the screen some times all sorts of junk gets in there and clogs up the screen
Good point, I forgot about that. Especially with a new coach, there can be foreign material left in the water lines from manufacture. As well, scale and other foreign particulate matter can easily get into the water system through use.

When I owned boats, clogged shower heads were a common occurance.

One other thought - again from having boats. Many of the marine type water inlets (which are very similar to RV) have built-in regulators; integrated into the water inlet, which can be up to 65psi.

Boats also generally use the same PEX type hardware that are common on RVs (the two boats I owned having pressurized water systems used PEX). This does not automatically parlay into being able to use 65psi for a RV, but it does suggest the PEX hardware is fairly robust.
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Old 02-18-2015, 11:08 AM   #11
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Thank you FW28z, I will look for an adjustable pressure regulator that will allow me to dial in enough pressure not to exceed 50 psi.
Not so much adjustable, but the typical RV regulators I have seen have a specified range between 40 to 50 psi - I suppose due to manufacturing tolerances.

I am using an inexpensive Camco regulator (40064) with indicator dial as I like to "see" what is going on...

Actually though, I bet we use the pump 80% of the time as only a few campgrounds we stay at have on-site water.
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Old 02-18-2015, 12:12 PM   #12
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Quote:
Originally Posted by FW28z
I am using an inexpensive Camco regulator (40064) with indicator dial as I like to "see" what is going on...
I had that regulator and left it at a campground
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Old 02-18-2015, 12:59 PM   #13
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Pull the shower head and check the screen some times all sorts of junk gets in there and clogs up the screen
I will check the screen but given that this is a new coach, the shower head should be pretty clean. I have only used the shower three times.
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