This control box is corroded from chlorine the gas is coming thru 1 1/4 LB, duct seal was installed in the riser entrance I was called Friday and Im going to install new control box Monday. The aerobic system contractor says this is the normal install. Here's some pics of the old one. Any solutions?
Aerobic sewage system
- Thread starter malachi
- Start date
- Status
kwired
Electron manager
- Location
- NE Nebraska
Maybe find a way to pressurize the enclosure to keep the chlorine from entering.
Regular duct seal is not likely to stop gases like this. It may help but if there is lower atmospheric pressure in the enclosure than on the other end with the source it is likely going to let some through.
Regular duct seal is not likely to stop gases like this. It may help but if there is lower atmospheric pressure in the enclosure than on the other end with the source it is likely going to let some through.
USMC1302
Senior Member
- Location
- NW Indiana
Are you sure it's chlorine ? That looks like a lift station and if so, probably hydrogen sulfide gas( I have had the same problem) Duct seal will help if every entry is sealed well. I think there are some sort of dessicants that can be placed in enclosures as well?
cadpoint
Senior Member
- Location
- Durham, NC
I can't see an magnification of the wiring! Why is what looks like a white wire on the ground bar, when others aren't; that alone can cause some corrosion, or an induced EMF filed, point being that all the other white wires are landed correctly.
hockeyoligist2
Senior Member
- Location
- close to greenville sc
I work for a sewer company and all I can say is good luck. We have tried all of the top notch, new and improved, ETC. Everything still corrodes very fast.
I opened up a one year old pressurized cabinet that is in a climate controlled electrical room last week. Corrosion everywhere. And we don't use chlorine!
I opened up a one year old pressurized cabinet that is in a climate controlled electrical room last week. Corrosion everywhere. And we don't use chlorine!
hardworkingstiff
Senior Member
- Location
- Wilmington, NC
It doesn't look as bad as some I've seen.
I think if you duct seal the conduits, then drill a 3/16" hole in that 2" LB (drill in downward from the inside or upward from the outside) I believe you future problems will be less.
I think if you duct seal the conduits, then drill a 3/16" hole in that 2" LB (drill in downward from the inside or upward from the outside) I believe you future problems will be less.
cadpoint
Senior Member
- Location
- Durham, NC
I failed chemistry! A few thoughts came to mind this AM having re-read this just the same!
Since that gas is present I hope you bring out a large portable fan to circulate as you change it out.
Granted the electrical connections might well be eaten up!
Why is the Box so Low? Could this be aiding in it's own demise? I know some chemical compounds are heavier than air and will not just float away...
The type of stainless might be in question also, not only that but the protection or finish looks like that's being eaten away not the stainless itself is my point. Pitting or creation of cavitations is a loose of the SS material, the clouds looks like the protective sheen is being eaten.
A simple galvanized fence post will sweat out a type of sodium (can't remember exactly) with age and of course depending on environment IE will be chalk like to a touch, and a lot of times will cloud but no pitting...
There are a lot of different ways metals are made and an even great amount of materials that can be added, just because you get a NEMA rated box might not preclude that that the panel board inside is of some exacting value, just a thought...
Since that gas is present I hope you bring out a large portable fan to circulate as you change it out.
Granted the electrical connections might well be eaten up!
Why is the Box so Low? Could this be aiding in it's own demise? I know some chemical compounds are heavier than air and will not just float away...
The type of stainless might be in question also, not only that but the protection or finish looks like that's being eaten away not the stainless itself is my point. Pitting or creation of cavitations is a loose of the SS material, the clouds looks like the protective sheen is being eaten.
A simple galvanized fence post will sweat out a type of sodium (can't remember exactly) with age and of course depending on environment IE will be chalk like to a touch, and a lot of times will cloud but no pitting...
There are a lot of different ways metals are made and an even great amount of materials that can be added, just because you get a NEMA rated box might not preclude that that the panel board inside is of some exacting value, just a thought...
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