FitMatch
BMC G3 water chamber

CPAP machine water tub

BMC G3 water chamber

10380276

Fits 2 models

Wrong part, or your model missing? Tell us. A person checks every report.

Genuine

$75.00

CPAP Club · 2 Nov

Compatible

$107.03

Amazon AU · 28 Oct

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Genuine: made by BMC. Compatible: another brand.

Lowest compatible · $107.03

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Compare 3 sellers

AUD, before delivery. Each price shows when it was checked.

Open cheapest seller · $75.00

Opens CPAP Club in a new tab. Their page is the source of truth for price, delivery and returns.

How long it lasts

Replace it when it leaks or is damaged; BMC's manual gives no set interval.

After replacing: No reset for the water chamber in BMC's manual.

How to change the 10380276 water tub

Watch the guide or follow the steps.

No clear video for this part yet. The steps cover it.

  1. 1Turn the G3 off, unplug it and let the water cool.
  2. 2Remove the old water chamber from the machine.
  3. 3Open the new chamber's cap and fill it with about 360 mL of water, no higher than the max line.
  4. 4Close the cap and push the chamber back into the machine.
Every number this part goes by
Retail name:
10380276
Retail name:
Luna G3 water chamber

Sellers list any of these; they are the same part.

Will it fit your appliance?

Type your model number and we'll check it against the makers' lists.

Fits these 2 BMC models

BMC2 models

Common questions
What does the 10380276 fit?
The BMC G3 water chamber (part 10380276) fits the BMC G3 A20 and G3 C20.
Where can I buy the 10380276 in Australia?
We track 3 Australian sellers for the 10380276; the lowest listed price when we last checked was A$75.00 at CPAP Club. Prices are re-checked daily and dated on this page.
How do I fit the 10380276?
No tools, a few minutes: 4 steps, listed on this page with the replacement video where the maker has one.
What happens if I don't change it?
A cracked or leaking tub needs replacing; the manual says when to replace it otherwise.
Is there anything to reset afterwards?
No reset for the water chamber in BMC's manual.

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