Methane in well water

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cowboyup

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I have a well that has methane in the water. I have talked to a few well companies and they say i need to install a wellmate tank with an micronizer and a air valve control unit. So, i have purchased a micronizer, AVC and a wellmate HP-8SQ tank. Now to install i am sure wont be too bad but....do i need a vacum breaker as well on the top of tank conected to the AVC unit as there is a 1/4 threaded hole which i assume is for the release of the methane gases outside of the house. Is there something i am missing and really not sure what the AVC does. Any help would be great. Thanks
 
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Speedbump

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I'm not sure what they are talking about. A Well Mate is a fiberglas bladder tank that is not much of a tank and will have nothing whatsoever to do with your methane removal. You should probably have some sort of aerator to gas off the methane to atmosphere.

bob...
 

Valveman

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The micronizer is aerator. I believe the Well Mate tank he is talking about is a non-bladder type tank. The AVC will let out the excess air and the methane. I believe you only need to plug the 1/4" hole.
 

Speedbump

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I never knew Well Mate to have a galvanized tank. But who knows anymore?

I would be a little leary of a simple Air Release Valve to keep up with Methane if he has a lot of it. They also plug up real easy.

A normal aerator would be the answer in my opinion.

bob...
 

cowboyup

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Yes this is a bladderless tank and was not sure if 1/4 hole needed to be pluged or have a line attached to it to vent methan gases outside. It does come with a plug but have not studied top of AVC to see if there is a port on it to attach a vent line outside since this tank is in a crawlspace. Thank you
 

Valveman

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Thanks for the picture. That 1/4" fitting IS where the AVC vents. So you need to vent it outside because it is methane.

Speed, it is still a regular hydro pneumatic tank, just fiberglass not galv.
 

cowboyup

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Thank you for all your help. Looks like this may be the ticket. Installing it this weekend----will let you know how it works. Thanks again!!!
 

Speedbump

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Never heard of it until now. I sure wish they would try to explain just how this majic air control works.

bob...
 

Gary Slusser

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The AVC is usually used to allow excess air out of the tank but it is usually a 3/8" MPT float controlled Honeywell valve.

To remove methane with air you need to break up the column of water as it falls through the air in the tank.

I wouldn't use an air injector and that type tank for methane removal.
 
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