Pros/cons of hose sizes

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bobdrad
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Pros/cons of hose sizes

Post by bobdrad » Fri Nov 25, 2022 2:16 pm

Clearly larger diameter hoses are bulkier and somewhat more trouble to manage.
So why do they exist at all? Most CPAP machines accept multiple hose sizes.
Why not always choose the smallest?

What advantages do larger hose sizes offer?
Quieter?
Better heating function?
Cheaper?

Thanks!

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palerider
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Re: Pros/cons of hose sizes

Post by palerider » Fri Nov 25, 2022 2:30 pm

bobdrad wrote:
Fri Nov 25, 2022 2:16 pm
Clearly larger diameter hoses are bulkier and somewhat more trouble to manage.
So why do they exist at all? Most CPAP machines accept multiple hose sizes.
Why not always choose the smallest?

What advantages do larger hose sizes offer?
Quieter?
Better heating function?
Cheaper?

Thanks!
The machine doesn't have to work as hard to overcome the higher flow resistance that the smaller hoses present.

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LSAT
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Re: Pros/cons of hose sizes

Post by LSAT » Fri Nov 25, 2022 3:03 pm

What PR said plus larger hoses are cheaper.
There is only one size for heated hoses.

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palerider
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Re: Pros/cons of hose sizes

Post by palerider » Fri Nov 25, 2022 7:46 pm

LSAT wrote:
Fri Nov 25, 2022 3:03 pm
What PR said plus larger hoses are cheaper.
There is only one size for heated hoses.
Well, not with Resmed, they have Climateline and ClimatelineMax, because the smaller hoses don't work well with bilevel machines at higher pressures.

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LSAT
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Re: Pros/cons of hose sizes

Post by LSAT » Fri Nov 25, 2022 8:57 pm

There was a max for the older S9, but I have not seen a max listed for As10 or As11.

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chunkyfrog
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Re: Pros/cons of hose sizes

Post by chunkyfrog » Fri Nov 25, 2022 11:20 pm

LSAT wrote:
Fri Nov 25, 2022 8:57 pm
There was a max for the older S9, but I have not seen a max listed for As10 or As11.
Maybe the difference was not significant enough.
Or the demand was too low . . .

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palerider
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Re: Pros/cons of hose sizes

Post by palerider » Fri Nov 25, 2022 11:31 pm

LSAT wrote:
Fri Nov 25, 2022 8:57 pm
There was a max for the older S9, but I have not seen a max listed for As10 or As11.
The ClimateLineAir Oxy is 19mm, the ClimateLineAir is 15mm.

https://document.resmed.com/documents/p ... lo_eng.pdf

So they dropped the Max naming on the Air line.

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chunkyfrog
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Re: Pros/cons of hose sizes

Post by chunkyfrog » Sat Nov 26, 2022 1:07 am

I wonder if one is quieter than the other . . .

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