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Aqua-Hot Hydra-Hot Electric Mode Noise Level

Yahoo Message Number: 64791
I am considering a 2007 CC Magna with the Aqua-Hot (Hydra-Hot) system that incorporates two 2000 watt heating elements in order to heat the coach temperature (and water naturally) while plugged into shore power. I will be using the coach in colder climates and with the two 2000 heating elements am told the Aqua-Hot should keep up well down into the teens (and below) if need be. Here's the question.. What sound level do you hear throughout the coach and in the bedroom while the Hydra-Hot (Aqua-Hot) is functioning? I assume it's only the pumps pushing the fluid throughout the coach and across the heat exchanges/fans, but is it fairly quiet? I currently use the Hurricane heating system in my 2000 Magna which doesn't have the electric heating element option and the noise level when operational is too loud for my liking. It doesn't help that the Hurricane is located in the bay below the bed. Thank you for your input.

David

2000 Magna #5886

Re: Aqua-Hot Hydra-Hot Electric Mode Noise Level

Reply #1 –
Yahoo Message Number: 64793
If you are hooked up to a water source, you won't hear anything in the electric mode. The water pressure from the source will provide the necessary force to push the water over the heat source. When you do use the diesel mode, you will hear a "roar" from the heat chamber exhaust. It is actually louder outside the coach than inside. If it gets into the low 20s, you may very well find the need to use the diesel mode, especially when showering.

Martin

2006 Affinity
#6543

Re: Aqua-Hot Hydra-Hot Electric Mode Noise Level

Reply #2 –
Yahoo Message Number: 64794
I could understand that being the case when actually using water, (sink, shower, etc) but if I'm not running new water through the system with the aid of external water pressure, doesn't a pump have to activate to circulate the existing water (or antifreeze) across the heat exchangers in a closed system? Thanks, David 2000 Magna #5886

Re: Aqua-Hot Hydra-Hot Electric Mode Noise Level

Reply #3 –
Yahoo Message Number: 64795
I have been full timing for a little over two years now, and understand your concern with diesel heater noise. Luckily mine is not quite under the bedroom, more under the kitchen, and only used when into the low 20s. I like a warm house.
The diesel hydro system is very effective when need be, and will keep your coach warm down to sub teens. I do not have the electric heating element feature that came on later models, so use electric space heaters to keep cozy down to the 20s.
One space heater is a Lasco tower heater that works well, but does NOT like the "almost square wave" my inverter puts out.
The space heaters use a separate 120 volt circuit that does not go through the inverter, power source input is a male plug in the water bay. I use a separate 30 amp extension cord to the power pole when parked.
In Phoenix, before I bought the space heaters, I would use my heat pumps down to about 40, noisy but very comfortable. Power draw on the heat pumps is a consideration.
You should hear no noise with the hydro unit while parked (electric elements working), except maybe the quiet recirculating pump moving hot water around, and of course the heat exchanger fans.
I assume your heating elements will work much like my space heaters do, but in a better integrated, less intrusive manner.
My solution to the problem is to go south, though I saw two feet of snow in Fort Worth last year. Not a perfect plan. Corpus Christi this year if needed.
Jack Nichols, 2003 Intrigue 11527

Re: Aqua-Hot Hydra-Hot Electric Mode Noise Level

Reply #4 –
Yahoo Message Number: 64796
I think Martin was referring to water heating, not space heating, and he is correct. Space heating uses a closed loop, moved by the recirculating pump through the heater. Someone please correct me if I am off base here.
Jack Nichols, 2003 Intrigue 11527, no electric elements in hydro heater.
Jack Nichols, 2003 Intrigue 11527