Pool filter cartridge
AstralPool Viron QL420 cartridge element 78079
78079
Fits 1 model
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GenuineGenuine AstralPool
$182.00
Heater and Spa Parts · 7 NovLowest genuine · Heater and Spa Parts · checked 7 Nov
CompatibleCompatible option
$94.00
Heater and Spa Parts · 7 NovHeater and Spa Parts · checked 7 Nov
Check sellerCheck seller details
Genuine: made by AstralPool. Compatible: another brand.Genuine is made by AstralPool. Compatible is made by another brand. Check the seller's page for the size and models it fits.
Lowest compatibleLowest compatible price · $94.00
Heater and Spa Parts. Compare with genuine below. Some links earn us a commission. Some seller links earn us a commission, at no extra cost to you.
Compare 4 listings from 3 sellers
AUD, before delivery. Each price shows when it was checked.
Compatible options
3 sellers
Opens Heater and Spa Parts in a new tab. Their page is the source of truth for price, delivery and returns.
How long it lasts
Replace it when cleaned elements still read 27–41 kPa (4–6 psi) above the new-filter pressure, or are damaged; check once a year.
After replacing: No reset light. Note the gauge reading with clean elements; AstralPool says to clean them when the gauge rises 20 kPa.
How to change the 78079 pool filter cartridge
Watch the guide or follow the steps.
No clear video for this part yet. The steps cover it.
- 1Turn the pump off and release the pressure: open the air bleed and close the valves. Never loosen the clamp band while the system is under pressure.
- 2Undo the clamp band and lift the filter lid off the lower body.
- 3Lift the top manifold off the four elements, then lift each element out.
- 4Hose each element off without damaging the pleats, or fit new ones.
- 5Refit the manifold into all four elements and the internal pipe, lower the lid on (keep the O-ring in place) and refit the clamp band before restarting.
Every number this part goes by
- Retail name:
- 78079
- Retail name:
- SP78079
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 this AstralPool model
AstralPool1 model
This filter takes 4 cartridges.
Common questions
- What does the 78079 fit?
- The AstralPool Viron QL420 cartridge element 78079 fits the AstralPool QL420.
- Where can I buy the 78079 in Australia?
- We track 3 Australian sellers for the 78079; the lowest listed price when we last checked was A$94.00 at Heater and Spa Parts. Prices are re-checked daily and dated on this page.
- How do I fit the 78079?
- 5 steps, listed on this page with the replacement video where the maker has one.
- What happens if I don't change it?
- A clogged cartridge slows the flow and the pump works harder, and a torn one lets dirt back into the water, so the pool or spa clouds.
- Is there anything to reset afterwards?
- No reset light. Note the gauge reading with clean elements; AstralPool says to clean them when the gauge rises 20 kPa.
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