Heated Cpap Hose

ratkinson · Post by **ratkinson** » Wed Dec 26, 2007 7:39 pm

I am in the process of weeding through ideas to produce a low cost CPAP hose for those of us with a fragile budget. If any of you use an Aussie Heated Hose....what temperature does the heating element reach. How warm does it get? I am toying with some low temperature heat tape. I'm in the process of trying to figure out a cheap yet effective thermostat mechanism. Any info you have would be greatly appreciated.

Richard

Bearded_One · Post by **Bearded_One** » Wed Dec 26, 2007 8:05 pm

Heating tapes are likely to develop hot spots, have you determined what would be a suitable heat resistant material to use for the hose? Wrapping a line powered heating element around a standard CPAP hose could be a dangerous endeavor. The Aussie Heated Hose is powered by 12V @ 1A and has the heating element integrated with the hose, it is not simply wrapped around it.

The Aussie Heated Hose is available for about US $139.00 including shipping; complete, ready to use, and safe -- it is hard to beat that.

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Guest · Post by **Guest** » Wed Dec 26, 2007 8:49 pm

Yes I could see where it could be dangerous. I have the low voltage and amperage worked out. The particular heat tape product I'm a working with an extremely uniform resistance. I'm not sure how warm I want the air to be. The Aussie is a great product from what I've been told. With my discounts at the supply stores I can probably produce one @ 1/3 of the cost.
I do alot of HVACR work so I have alot of experience with electrical work and system analysis. Just tinkering with an idea,

JeffH · Post by **JeffH** » Wed Dec 26, 2007 9:05 pm

Anonymous wrote:Yes I could see where it could be dangerous. I have the low voltage and amperage worked out. The particular heat tape product I'm a working with an extremely uniform resistance. I'm not sure how warm I want the air to be. The Aussie is a great product from what I've been told. With my discounts at the supply stores I can probably produce one @ 1/3 of the cost.
I do alot of HVACR work so I have alot of experience with electrical work and system analysis. Just tinkering with an idea,

Sounds like you are on the right road. Good luck.

RosemaryB · Post by **RosemaryB** » Wed Dec 26, 2007 11:25 pm

I wonder if it would be possible to first wrap the hose in some kind of fabric, and then heat the fabric. That is, wrap the heating tape on the outside of the fabric. Some kind of heat resistant/flame retardant fabric.

This might disperse the heat so that hot spots don't develop. Good luck with your efforts!

Snoredog · Post by **Snoredog** » Thu Dec 27, 2007 2:53 am

nothing really to worry about if you are using low voltage (as long as it doesn't get hot enough to melt the plastic hose).

The aussie hoses uses 12vdc @ 1AMP, but that gets it too warm for me, so I use a 9vdc 800ma power supply and it is just right.

Maybe one could strip and old electric blanket for the heating element, doesn't have to get it all that "warm" in fact it shouldn't get hot at all.

Lubman · Post by **Lubman** » Sun Dec 30, 2007 6:45 pm

the temperature change needed to avoid rainout is only a few degrees warmer than ambient. Say 6 to 8 deg C.

Whatever you use should avoid any remote chance of sparking, especially if one uses external oxygen.

Good luck

Mask

Additional Comments: Equipment isn't correct, S9 ASV w/H5i