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Old 04-07-2015, 10:38 AM   #1
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Hydro Hot - How goes it for you?

We have a build date of Sept, 2003, for our Allure. It has the HHE-500-07x (Or -08x. The mirror info sheet from CC lists it as -07x, but I have notes from a few years ago that say -08x. I think the -08x is accurate, and need to get out with the flashlight to check it out again!) series. This is a single element electric, which does a good job of supporting light hot water needs, as well as the furnace duties overnight.

I've started the process of changing out the floor exchangers nosey fans with the newer higher out put and quieter fans.

Normal yearly maintenance so far, but the first 8-9 years of this coaches life, it had very little usage. First owner bought it to go from San Diego to Fresno State Home Football games...

Roger Berke, and his forum, has helped me out several times, as I tried to understand what and why the unit would sometimes behave in a bit erratic way! He also recommended some preventative upgrades to correct a few items that are not as robust as they could be. (A few plastic parts changed out to brass. Some improvement to a few electronic parts and harnesses, etc.)

Don't get me wrong, the unit has supported us well, and most problems were non events.

Got me wondering how well the rest of you are doing with your Hydro Hot's, and if you would share your experiences. And, have any of you done the preventative upgrades of parts, to ensure ongoing functionality. (I'm a big fan of scheduling 'repair and maintenance' when it works for me, not when it 'must be done' due to a failure.)

Best to all, and TIA for info sharing!
Smitty
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Old 04-07-2015, 11:51 AM   #2
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Hi Smitty,

I am also a DIY'r and I would be interested in your plans for replacement exchangers. Mine are working OK but they are very noisy. I've thought about trying to fit 3 computer fans inside the existing housings but I am afraid they won't move enough air to be worth it. I replaced one of the blower motors a while back and noticed it was a 24 volt motor wired for low speed only. Unfortunately CC cut off all the other wires at the case so I couldn't try any other speeds. I installed a 12 volt motor and wired it to a switch so I now have 3 speeds. But it's very noisy on everything but slow speed which moves more air than the original 24 volt motor did.

I have been running the Aqua Hot about once a month and this seems to keep the fuel nozzle clean and problem free. We rarely use the diesel as the electric element gives us two showers easily. Of course if we need heat or are dry camping the diesel is required. If we are connected to shore power we use a small electric space heater that does a great job at keep the chill off.

Barney
07 Inspire 52059


Quote:
Originally Posted by Smitty77 View Post
We have a build date of Sept, 2003, for our Allure. It has the HHE-500-07x (Or -08x. The mirror info sheet from CC lists it as -07x, but I have notes from a few years ago that say -08x. I think the -08x is accurate, and need to get out with the flashlight to check it out again!) series. This is a single element electric, which does a good job of supporting light hot water needs, as well as the furnace duties overnight.

I've started the process of changing out the floor exchangers nosey fans with the newer higher out put and quieter fans.

Normal yearly maintenance so far, but the first 8-9 years of this coaches life, it had very little usage. First owner bought it to go from San Diego to Fresno State Home Football games...

Roger Berke, and his forum, has helped me out several times, as I tried to understand what and why the unit would sometimes behave in a bit erratic way! He also recommended some preventative upgrades to correct a few items that are not as robust as they could be. (A few plastic parts changed out to brass. Some improvement to a few electronic parts and harnesses, etc.)

Don't get me wrong, the unit has supported us well, and most problems were non events.

Got me wondering how well the rest of you are doing with your Hydro Hot's, and if you would share your experiences. And, have any of you done the preventative upgrades of parts, to ensure ongoing functionality. (I'm a big fan of scheduling 'repair and maintenance' when it works for me, not when it 'must be done' due to a failure.)

Best to all, and TIA for info sharing!
Smitty
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Old 04-07-2015, 12:13 PM   #3
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I have the Aqua-Hot DE450 in my coach which has been in service almost 8 years. I've had a few issues but overall it's been a fantastic unit. The only upgrade I did was purchase a Cooper stir pump from Roger 4 years ago and it's still working great. I would not own a coach without the Aqua-Hot system. I do my own annual maintenance without fail.
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Old 04-07-2015, 12:25 PM   #4
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I'll have to check about the newer fans as I did notice that the ones we have were noisier than I like. Works OK otherwise but we only used it about three weeks and we were in Phoenix and Fresno so not a real test.
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Old 04-07-2015, 06:28 PM   #5
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Different years had different heat exchangers used, so first step is to validate which exchanger is in a specific coach. Then the KISS approach it to network with Roger Berke, and he can guide you to the right components.

Here is a link that shows both replacement registers, and fans:

Heat Exchangers

I did purchase via Amazon, two high quality high flow computer fans. I thought they were going to do great and posted so awhile back. Once it was in and used, where it had to actually push the air thru the registry - I found that while it was very quiet, it was not very robust in air flow!

Thus, my work in progress...

Follow up question for Barney. Do you know if our unit has the double electric element? Our single element, can support one navy shower without much problem. But two regular showers would for sure use all of the available hot water, without the single element being able to keep up with replenishment demand!

Thanks to all for sharing...
Smitty
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Old 04-07-2015, 07:26 PM   #6
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Hi Smitty,


How do I get ahold of Roger Berke is he on CC forum ?? as I am new to the forum I am just trying to make sure my new used coach gets the proper maintenance and upgrades To my Hydro-Hot HHE-200 or to see if there are any issues I should be aware of .



Randy.
2005 Country Coach Magna 630 Rembrandt
Eau Claire wi
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Old 04-07-2015, 07:41 PM   #7
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The Aqua-Hot Cozy III heat exchangers are really terrific and surprisingly quiet. Everyone who has upgraded, has been happy with the results. You will find them at the link shown in posting #5 - above.

Quote:
How do I get a hold of Roger Berke
My website is shown below. Much more information about me.

- Roger Berke -
RV Hydronic Heater Repair - Home
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Old 04-09-2015, 06:27 PM   #8
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Hi Smitty,

I have a AHE-450-DE1 and it only has 1 heating element. I believe only the very latest top-of-the-line Aqua Hots have two elements.

I can't explain it but we have no problem with hot water using only the electric heating element. I know most cannot get this and some can't even get 1 shower without running out of hot water. We (wife and I) get two regular showers and still have hot water to spare. No idea why!

Thanks for all the other info.

By the way, I found this while poking around:

http://www.quadratec.com/products/92060_100_07.htm

Barney
07 Inspire 52059


Quote:
Originally Posted by Smitty77 View Post
Different years had different heat exchangers used, so first step is to validate which exchanger is in a specific coach. Then the KISS approach it to network with Roger Berke, and he can guide you to the right components.

Here is a link that shows both replacement registers, and fans:

Heat Exchangers

I did purchase via Amazon, two high quality high flow computer fans. I thought they were going to do great and posted so awhile back. Once it was in and used, where it had to actually push the air thru the registry - I found that while it was very quiet, it was not very robust in air flow!

Thus, my work in progress...

Follow up question for Barney. Do you know if our unit has the double electric element? Our single element, can support one navy shower without much problem. But two regular showers would for sure use all of the available hot water, without the single element being able to keep up with replenishment demand!

Thanks to all for sharing...
Smitty
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Old 04-16-2015, 01:36 AM   #9
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Quote:
Originally Posted by BarneyM View Post
Hi Smitty,

I have a AHE-450-DE1 and it only has 1 heating element. I believe only the very latest top-of-the-line Aqua Hots have two elements.

I can't explain it but we have no problem with hot water using only the electric heating element. I know most cannot get this and some can't even get 1 shower without running out of hot water. We (wife and I) get two regular showers and still have hot water to spare. No idea why!

Thanks for all the other info.

By the way, I found this while poking around:

Flex-a-lite 640 - Flex-a-lite Mojave Heater - Quadratec

Barney
07 Inspire 52059
Our '09 has the 600 Aqua Hot, it has the two electric elements
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Old 04-16-2015, 01:38 AM   #10
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Quote:
Originally Posted by Roger Berke View Post
The Aqua-Hot Cozy III heat exchangers are really terrific and surprisingly quiet. Everyone who has upgraded, has been happy with the results. You will find them at the link shown in posting #5 - above.


My website is shown below. Much more information about me.

- Roger Berke -
RV Hydronic Heater Repair - Home
Hmm.. I'll have to check ours as they are noisier than I would like.
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