Pressure regulator for "City Water" Hookup
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โJan-24-2018 05:07 PM
Does a pressure regulator provide weaker pressure under normal pressure conditions?
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โFeb-21-2018 09:43 AM
I don't know where some get that RVs can only handle pressure of around 45-55 psi. RVs are supposed to be capable of withstanding, and are supposed to be tested for, 100 psi or more. RVIA says max 80 psi. NFPA 1192 which covers RVs says 100 psi, or it might be 110 psi. Can't recall exactly and can't find a free version of 1192 at the moment. In Canada, plumbing systems have to comply with CSA Z240. When I spoke to RVwaterfilterstore a few years ago, he recommended running at 65 psi, so that's what our regulator is set at and after 4 seasons, zero issues.
RVs have been using PEX pipe & fittings for quite a few years now and is rated for 150 or so psi (depends on temp.) just like in houses. What I don't trust tho. is the cheap plumbing fixtures in RVs and I don't trust toilet valves in particular. Low pressure can also be a problem - our toilet started to fill once by itself on under 10 psi but happened to be their at the time...
I installed a Watts adjustable regulator and telltale gauge under the kitchen counter and ran brass pipe from there to the city water inlet. If you have a regulator at your city water inlet or inside, you should be using a high pressure rated hose. We have a Valterra one good rated a 160 psi (IIRC). I also installed a gauge behind the door to the water heater where I can easily read it.
When buying a regulator, you get what you pay for. The inline ones have a tiny orifice in them and can plug up easily with silt & debris. Sometimes they last less than one season. They should be at the faucet end of the hose to protect it but are sometimes are forgotten and left behind. Also, they have low flow rates. The good ones like a Watts 263A are rebuild-able and have a much higher flow rate. A gauge somewhere is really helpful.
If you are using a filter, some can be damaged by high pressure.
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โFeb-21-2018 12:32 AM
Also, I sometimes will just use the water in the fresh water tank, instead of hooking up "city water". I do it more to keep fresh water in the fresh water tank, but it will prevent excess water pressure from damaging your RV plumbing system if you don't have a good pressure gauge.
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โFeb-20-2018 08:47 PM
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โJan-25-2018 12:42 PM
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โJan-25-2018 08:18 AM
https://www.rvwaterfilterstore.com/Fixed.htm
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โJan-25-2018 08:11 AM
"Life is not tried ~ it is merely survived ~ if you're standing
outside the fire"
"The best way to get a bad law repealed is to enforce it strictly."- Abraham Lincoln
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โJan-25-2018 06:48 AM
This first one is complete you need nothing more but it is the most expensive of the links.
note: SHOP AROUND Most all can be found elsewhere.
Alas the Watts RV model I linked to at Grainger did not properly link
This one too comes with hose fittings and is sold for RV use
Amazon dot com
This last one (With added hose fittings) is what I use. Now Home Depot and Lowes carry these if you want instant regulation.
When I got my last one (A Zurin identical design) since I haveing trouble inding a rebulid kit for my Watts, (They do need occasional rebuilding) the 3/4 inch was both cheaper and easier to hose adapt.
Watts at Webstaurantstore.
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โJan-25-2018 06:15 AM
I was having a lot of problems with leaks in my residential plumbing. Eventually found out that the nearest water tower had been filled beyond the point where it was supposed to be (was also told it was designed too tall.) That was when the leaks started.
So if your residential system can leak from excessive pressure... your RV system definitely would.
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โJan-25-2018 05:26 AM
Every spring when the local campgrounds start filling up, we get a rush at the store for pressure regulators. Last spring we couldn't keep them on the shelf. The local pressure is "only" 75 psi. I have been to several parks (I think the popular Normandy Farms is one of them) where there warn you about the pressure when you check in. Of course, they have regulators on sale right there.
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โJan-25-2018 04:58 AM
Dick_B wrote:
I have one in the bottom of my hose container but prefer to fill the FW tank and use the pump at all times.
This. :B
It's not often we camp where on-site water is available anyway so even those times we do have it I just draw from the tank as I always do. To avoid any possibility of a leak I wired a light into to pump circuit so anytime it comes so does the light. When we're away from the camper I try to also make it a habit to turn the pump off.
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โJan-25-2018 04:51 AM
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โJan-25-2018 04:39 AM
NOW - I don't leave home without mine . . cost - $ price.less
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โJan-25-2018 04:34 AM
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โJan-25-2018 04:12 AM
Matt
A sailor, his bride and their black dogs (one dear dog is waiting for us at the bridge) going to see some dry places that have Geocaches in a coach made the year we married.