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11-03-2018, 07:52 PM
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#1
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Junior Member
Join Date: Nov 2018
Location: Kerrville, Texas
Posts: 19
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Low water pressure
I have a 2014 Tiffin Allegro red. Low water pressure in entire coach. I have taken pressure regulator off hose, replaced water filter. Under bathroom sink at the main water manifold is a valve labeled lake view rv supply, model 1000. I am wondering what this is for, and could it be causing my problems. Thanks in advance.
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11-03-2018, 08:15 PM
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#2
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Senior Member
Join Date: Mar 2017
Location: Zebulon, NC
Posts: 5,211
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Have you checked the strainer screening the fresh water input? Next question is this problem also present when using the on-board water and pump?
I almost forgot,   Welcome to the forum!
__________________
Kelly and Jerry Powell with Halo (Lethal White Aussie), Nash the Rat Terrorist, and now Reid, the "Brindle we have no idea puppy"
2020 Grand Design Solitude 390RK-R
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11-03-2018, 08:29 PM
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#3
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Senior Member
Join Date: Jul 2003
Posts: 4,455
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Welcome to the forum.
I believe the "lake view rv supply, model 1000" is the anti-siphon check valve for your blank tank flush system. I don't think that is your issue.
Is the problem present both on city water and when using the pump and water from your holding tank?
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11-03-2018, 08:33 PM
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#4
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Senior Member
Join Date: Mar 2017
Location: Zebulon, NC
Posts: 5,211
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Also, do you have a spurt of good pressure at first and then gets weaker and then stays constant?
__________________
Kelly and Jerry Powell with Halo (Lethal White Aussie), Nash the Rat Terrorist, and now Reid, the "Brindle we have no idea puppy"
2020 Grand Design Solitude 390RK-R
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11-03-2018, 10:01 PM
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#5
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Senior Member
Join Date: Sep 2018
Location: Fort Myers, FL
Posts: 1,694
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Plugged aerators on the faucets?
When you say low water pressure everywhere - you mean the faucets, the shower, the outside shower in the wet bay and the toilet?
__________________
2008 Phaeton 36QSH, Safe-t-Plus, Quadra Bigfoot
2017 Jeep Cherokee Trailhawk w/ flat tow wiring mod.
Blue ox, BrakeMaster + BrakeAway, diode lights and charge.
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11-04-2018, 08:59 AM
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#6
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Junior Member
Join Date: Nov 2018
Location: Kerrville, Texas
Posts: 19
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Low water pressure
Yes, on city water it starts to come out fairly strong then goes down to a trickle. If we put the water pump on it is much better. This is how we shower, using both.
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11-04-2018, 09:01 AM
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#7
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Junior Member
Join Date: Nov 2018
Location: Kerrville, Texas
Posts: 19
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All have low pressure.
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11-04-2018, 12:57 PM
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#8
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Junior Member
Join Date: Apr 2018
Location: Beachburg, Ontario, Canada
Posts: 21
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Low water pressure
Have you checked to ensure your outside hot and cold are off, your outside shower / sprayer?
__________________
________________________________
Peter and Marion
2009 Keystone Everest 345S
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11-04-2018, 02:07 PM
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#9
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Senior Member/RVM #90
Monaco Owners Club
Join Date: Nov 2002
Location: Columbus, MS
Posts: 54,785
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Hi ! Welcome to IRV2! We're sure glad you joined the gang! 
Is this a new problem or has it been that way since you got the RV?
Good luck, happy trails, and God bless!  
__________________
Joe & Annette
Sometimes I sits and thinks, sometimes I just sits.....
2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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11-04-2018, 10:57 PM
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#10
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Senior Member
Join Date: Mar 2017
Location: Zebulon, NC
Posts: 5,211
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If your strainer isn't clogged and the fresh water connection is on the slide side, get under the cabinet and make sure that the water line isn't crimping when the slide extends, or has managed to get in a bind on it's own. I've already replaced mine with the stainless lines just because.
__________________
Kelly and Jerry Powell with Halo (Lethal White Aussie), Nash the Rat Terrorist, and now Reid, the "Brindle we have no idea puppy"
2020 Grand Design Solitude 390RK-R
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11-05-2018, 10:08 AM
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#11
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Junior Member
Join Date: Nov 2018
Location: Kerrville, Texas
Posts: 19
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Low water pressure
This problem showed up after about two years of using the coach. Like I have said, I washed the inside of the hot water tank twice a year, sanitized the fresh tank twice a year , replaced the anode rod and water filter twice a year. I have tried it without the pressure regulator, to no avail. I am wondering about the fill port where the water hose goes in, that has an anti-siphon valve in it. If that could be restricting the flow.? I am running out of thoughts on this.
I appreciate everybody taking time to try and help.
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11-05-2018, 10:14 AM
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#12
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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Check the screen in the fitting where you attach the water hose.
__________________
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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11-05-2018, 11:14 AM
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#13
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Registered User
Join Date: Oct 2016
Posts: 2,078
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My Pex inlet line was to long and the installer just kinked it and let it go that way. Really messed with the pressure until I used a mirror to look up and found it. Cut it out and problem fixed.
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11-05-2018, 08:59 PM
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#14
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Senior Member
Join Date: Sep 2018
Location: Fort Myers, FL
Posts: 1,694
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A friend had trouble with his power washer - some pressure then it would die off. He was ready to rebuilt the pump.
I wanted to check his supply hose. When I removed it from the power washer there was a frog stuck inside...
I'm hoping you've check for full flow out of the hose...
just one good reason to always store your hoses with the male and female connected together...
__________________
2008 Phaeton 36QSH, Safe-t-Plus, Quadra Bigfoot
2017 Jeep Cherokee Trailhawk w/ flat tow wiring mod.
Blue ox, BrakeMaster + BrakeAway, diode lights and charge.
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