Aquatek Co2 Regulator/Solenoid Issue

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Bodul67

AC Members
Feb 17, 2021
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I have the AQUATEK Aquarium CO2 Regulator with Integrated COOL TOUCH Solenoid. It's on a timer to turn on & off at specific times. When the timer switches off, the solenoid sticks in the open position. I have to unplug & plug it back in multiple times before the solenoid closes. I unscrewed the solenoid from the brass regulator and found that the rubber O-Ring has been torn slightly and that's the reason the solenoid wouldn't close properly. I reached out to Aquatek about a replacement O-Ring and they replied by I need to order a new solenoid. Of course they would, they want me to pay $40 for a new solenoid rather than pay less than $1 for a new O-Ring. Horrible!!!

Has anyone had this same problem and how was it rectified? I can't seem to find the exact O-ring to replace. I found one at Lowes and it's 5/16" ID x 1/16" CS, but it's too thick. The CS is half the thickness around 1/32" that I need.

The picture below is the O-ring that I'm talking about. It's NOT a picture of the torn one that I have, it's just a reference to location of O-Ring.

Aquatek.PNG
 

dougall

...
Mar 29, 2005
3,481
900
120
If you think it's the O ring, take it to home depot or such and find a relpacement, it doesn't have to come from the manufacturer.
 

Bodul67

AC Members
Feb 17, 2021
5
0
1
57
If you think it's the O ring, take it to home depot or such and find a relpacement, it doesn't have to come from the manufacturer.
If you read my post it says I can't find the correct size and if anyone corrected this problem on their Auqautek
 

dougall

...
Mar 29, 2005
3,481
900
120
In that case I'm sorry, doesn't say how hard you looked for a replacement?

Honestly I would get a better made regulator, not a big fan of $50 regulators from Amazon, especially not for an aquarium holding live animals.

The best of luck with your search. Most folks using budget regulators that I know replace with something more reliable
 

Bodul67

AC Members
Feb 17, 2021
5
0
1
57
In that case I'm sorry, doesn't say how hard you looked for a replacement?

Honestly I would get a better made regulator, not a big fan of $50 regulators from Amazon, especially not for an aquarium holding live animals.

The best of luck with your search. Most folks using budget regulators that I know replace with something more reliable
regulator works fine except for this damn O-Ring. Very frustrating. Thanks anyway.
 

Wyomingite

Fish Wrangler
Oct 16, 2008
863
607
100
56
Wonderful Windy Wyoming
Real Name
Ivan
I have the AQUATEK Aquarium CO2 Regulator with Integrated COOL TOUCH Solenoid. It's on a timer to turn on & off at specific times. When the timer switches off, the solenoid sticks in the open position. I have to unplug & plug it back in multiple times before the solenoid closes. I unscrewed the solenoid from the brass regulator and found that the rubber O-Ring has been torn slightly and that's the reason the solenoid wouldn't close properly. I reached out to Aquatek about a replacement O-Ring and they replied by I need to order a new solenoid. Of course they would, they want me to pay $40 for a new solenoid rather than pay less than $1 for a new O-Ring. Horrible!!!

Has anyone had this same problem and how was it rectified? I can't seem to find the exact O-ring to replace. I found one at Lowes and it's 5/16" ID x 1/16" CS, but it's too thick. The CS is half the thickness around 1/32" that I need.

The picture below is the O-ring that I'm talking about. It's NOT a picture of the torn one that I have, it's just a reference to location of O-Ring.

View attachment 229160
You may be able to find what you want on-line. On-line sources may have a larger selection. You may have to browse a few sites until you find what you want, if it is available.

WYite
 

Bodul67

AC Members
Feb 17, 2021
5
0
1
57
You may be able to find what you want on-line. On-line sources may have a larger selection. You may have to browse a few sites until you find what you want, if it is available.

WYite
Yeah, i've been searching and the only thinest O-ring I found is the one I have 1/16" CS, I need something thinner almost half 1/32" CS
 

Wyomingite

Fish Wrangler
Oct 16, 2008
863
607
100
56
Wonderful Windy Wyoming
Real Name
Ivan
Yeah, i've been searching and the only thinest O-ring I found is the one I have 1/16" CS, I need something thinner almost half 1/32" CS
Look at metric o-rings as well. You may find something close enough to substitute. For example, 3/16th of an inch is approximately 3 mm. The difference is 1/256th of an inch.

WYite
 
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