• 21.08.2025, 21:04
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zerophase

Junior Member

MPS 400 leaking.

Wednesday, February 22nd 2023, 4:41am

I'm almost definitely out of the warranty for the MPS 400. I've noticed a very slow leak has formed around the screws. Tried tightening them and that did not help. Is there a custom o ring I can order for that part?

Methodical

Full Member

Sunday, March 5th 2023, 9:18pm

Use some silicone from the big box store or silicone used for fish tanks if you can't find parts.

This post has been edited 3 times, last edit by "Methodical" (Mar 9th 2023, 4:04pm)

"Never be afraid to try something new. Remember, amateurs built the Ark, professionals built the Titanic"

InfoSeeker

Senior Member

Sunday, March 5th 2023, 10:29pm

The leak may be at the rubber boot around the two sensors prongs.
You may try to get a new boot from aquacomputer.