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Aqua-Hot low hot water pressure

Yahoo Message Number: 50192
Aqua Hot Model 450 in an 07 Allure. The system produces hot water but I don't have any hot water pressure at any of the faucets. Just a trickle. Cold pressure is okay. I changed filters and checked the faucet aerators. No leaks anywhere that I can find. Water pressure in the park is great. Any thoughts? Thanks.

Re: Aqua-Hot low hot water pressure

Reply #1 –
Yahoo Message Number: 50195
I assume that you have a small trickle from the hot water side even if the Aqua Hot is not running???? If so, then it seems to me that you have trash in the hot water line somewhere, or a pinched line somewhere. If slow trickle is at all locations (bath and kitchen)then that narrows it down to the area before the split. Only way to find it is to be slow and methodical looking close at all connections and lines as they go thru bulk heads, until you find it. If you are not able to find it then you might try air pressure from the on board or separate compressor and see if you can get air flow to come out at either location. Might crank it up to 45 or 50 PSI and try to blow trash out...
I am also assumming that all worked well at one time and that this is a new problem. If so, it's probably construction trash that has finally reach a point that can block the line, but keep in mind the pinched line.

Good luck

Ray G.

05 Allure 31175
.

Re: Aqua-Hot low hot water pressure

Reply #3 –
Yahoo Message Number: 50200
Check the outside shower faucet to make sure it is off. The shower head valve could be turned off, but if the faucet was left on, it can cause this symptom. Don't ask me why.

Larry, 03 Allure 30856

Re: Aqua-Hot low hot water pressure

Reply #4 –
Yahoo Message Number: 50226
Larry, thanks.......I checked the outside shower head. Everything is turned off. The hot water side of the outside faucet also only produces a slow trickle. Note that on this coach that sprayer is actually a "cold water only" sprayer with an on and off valve only. The outside faucet (hot and cold) is not tied into that shower head.

Charles - 07 Allure 31543

Quote from: Larry Feather
>

Check the outside shower faucet to make sure it is off. The shower
head valve could be turned off, but if the faucet was left on, it can cause this symptom. Don't ask me why.

Quote
>

Larry, 03 Allure 30856
> -

Re: Aqua-Hot low hot water pressure

Reply #5 –
Yahoo Message Number: 50227
Ray, thanks for the response. Yes, hot water pressure has been fine for the past year and a half.....could it take that long for trash to work its way through the system and reduce the flow? Is it possible it could be calcium buildup at the outflow to cause a restriction? This park does have exceptionally hard water. This is sounding more like a job for a professional.

Charles - 07 Allure 31543

Quote from: ragarue

> I assume that you have a small trickle from the hot water side even if
the Aqua Hot is not running???? If so, then it seems to me that you have trash in the hot water line somewhere, or a pinched line somewhere. If slow trickle is at all locations (bath and kitchen)then that narrows it down to the area before the split. Only way to find it is to be slow and methodical looking close at all connections and lines as they go thru bulk heads, until you find it. If you are not able to find it then you might try air pressure from the on board or separate compressor and see if you can get air flow to come out at either location. Might crank it up to 45 or 50 PSI and try to blow trash out...
Quote
I am also assumming that all worked well at one time and that this is
a new problem. If so, it's probably construction trash that has finally reach a point that can block the line, but keep in mind the pinched line.

Quote
Good luck

Ray G.

05 Allure 31175
> .-

Re: Aqua-Hot low hot water pressure

Reply #6 –
Yahoo Message Number: 50228
Thanks for the heads up. I've contacted them to join their group.

Charles - 07 Allure 31543

Quote from: Graeme Arnott \[br\
] > > You may also want to try posting your question on the Yahoo AquaHot

user

Quote
group HydronicRVHeating@yahoogroups.com one of the members in

particular

Quote
Roger Berke, is very helpful.

Graeme Arnott

09 Allure CP #31690

> From: Country-Coach-Owners@yahoogroups.com > [mailto:Country-Coach-Owners@yahoogroups.com] On Behalf Of crider26 > Sent: July-29-09 9:09 AM

To: Country-Coach-Owners@yahoogroups.com > Subject: [Country-Coach-Owners] Aqua-Hot low hot water pressure >

> Aqua Hot Model 450 in an 07 Allure. The system produces hot water but

I

Quote
don't have any hot water pressure at any of the faucets. Just a

trickle.

Quote
Cold pressure is okay. I changed filters and checked the faucet

aerators. No

Quote
leaks anywhere that I can find. Water pressure in the park is great.

Any

Re: Aqua-Hot low hot water pressure

Reply #7 –
Yahoo Message Number: 50235
What about the pressure when the Aqua Hot has been turned off and not running and the "hot" water is cold?????
I doubt also that it's calcium build up. I still would suspect some kind of trash from the construction process that has finally worked loose, or you have a pinched hot water line, somewhere, maybe around the Aqua Hot itself or one of the slides.
Also, check the city to tank fill valve and make sure it is closed tight.
On most Allures, you can remove the panel above the Aqua Hot and check all the thru bulk head fittings and make sure none are pinched.
Again, if all else fails, at least try to put air pressure on the system. A radical approach would be to reverse the air pressure from inside the coach to try to dislodge whatever.

Don't give up yet...(easy for me to say)
Send me an email off line at ragarue@..., if I may be of any help.

Ray G.

05 Allure 31176+

Re: Aqua-Hot low hot water pressure

Reply #9 –
Yahoo Message Number: 50267
Don, I've rapped and tapped on the mixer valve. Unfortunately, without mechanical advantage, I was unable to change the setting -- no amount of pressure would turn that thing. I certainly did not want to jeopardize my warranty by breaking something, without knowing the proper way to turn it. In any event, the low pressure remains. But thanks for your thoughts and ideas......certainly worth a try.

Charles - 07 Allure 31543

Quote from: Don Seager
> One possible point of restriction is the mixer valve on the hot water
line just after it leaves the AquaHot. It mixes an amount of cold water into the hot depending on water temp and the valve setting. It is an anti scald device. Try rapping on it or changing the setting. Make note of where it was so that you can set it back. The straight hot water from the AquaHot can take the skin off your back.

Quote
>

Just a thought
Don Seager

2004 Allure 31046.

> What about the pressure when the Aqua Hot has been turned off and not
running and the "hot" water is cold?????

Quote
>

I doubt also that it's calcium build up. I still would suspect some
kind of trash from the construction process that has finally worked loose, or you have a pinched hot water line, somewhere, maybe around the Aqua Hot itself or one of the slides.
Quote
Also, check the city to tank fill valve and make sure it is closed

tight.

Quote
>

On most Allures, you can remove the panel above the Aqua Hot and check
all the thru bulk head fittings and make sure none are pinched.

Quote
>

Again, if all else fails, at least try to put air pressure on the
system. A radical approach would be to reverse the air pressure from inside the coach to try to dislodge whatever.

Quote
>

Don't give up yet...(easy for me to say) >

Send me an email off line at ragarue@..., if I may be of any help.

Ray G.

05 Allure 31176+

Quote from: crider26" crider26@[/quote

wrote:

Quote

>

> Ray, thanks for the response. Yes, hot water pressure has been fine

for

Quote
the past year and a half.....could it take that long for trash to

work

Quote
its way through the system and reduce the flow? Is it possible it

could

Quote
be calcium buildup at the outflow to cause a restriction? This park > > does have exceptionally hard water. This is sounding more like a job > > for a professional.
>

> Charles - 07 Allure 31543
>
>

> -

Re: Aqua-Hot low hot water pressure

Reply #10 –
Yahoo Message Number: 50868
Here's an update to the low hot water pressure problem. I took the coach to Carrier & Sons in Eugene, OR. The tech there checked the mixing valve which proved to be okay. He also checked the hot water to faucet line for obstructions or collapse of hose, but that was okay also. A check of the cold water intake to the Aqua-Hot determined that the inflow was not very strong. He then took a wrench and rapped the check valve that Country Coach installed on that cold water intake line. Hot water pressure is now full at all taps and hot showers are greatly appreciated. Again, thanks for all the input from this group.

Charles - 07 Allure #31543

Re: Aqua-Hot low hot water pressure

Reply #11 –
Yahoo Message Number: 50870

Charlie, Where was that check valve located? Marvin, 07 Allure 470, 31459


From: crider26 To: Country-Coach-Owners@yahoogroups.com Sent: Saturday, August 15, 2009 11:19:37 PM Subject: [Country-Coach-Owners] Re: Aqua-Hot low hot water pressure

Here's an update to the low hot water pressure problem. I took the coach to Carrier & Sons in Eugene, OR. The tech there checked the mixing valve which proved to be okay. He also checked the hot water to faucet line for obstructions or collapse of hose, but that was okay also. A check of the cold water intake to the Aqua-Hot determined that the inflow was not very strong. He then took a wrench and rapped the check valve that Country Coach installed on that cold water intake line. Hot water pressure is now full at all taps and hot showers are greatly appreciated. Again, thanks for all the input from this group.

Charles - 07 Allure #31543

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Re: Aqua-Hot low hot water pressure

Reply #12 –
Yahoo Message Number: 51024
---
Marvin,

Remove the panel above the AH unit. On the left side is a blue plastic pipe (cold water intake) which connects to a white hose with blue tape at both ends. Where the blue plastic pipe connects to the hose is a brass connector. This connector is the check valve. Give this a sharp rap with a wrench if you're experiencing a water flow problem. This solved my problem.

Charlie 07 Allure #31543

In Country-Coach-Owners@yahoogroups.com, Marvin Thigpen wrote: