SWG Location.

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N

Nothanks

Member
Oct 22, 2021
5
Arizona
Pool Size
13000
Surface
Plaster
Chlorine
Liquid Chlorine
We have a pool/spa with spillover setup, approximately 13,000 gallons total. We don't often use the spa, but I will typically have the water circulating through and spilling over into the pool.

I've been using liquid chlorine for the past two years now, but eventually I would like to switch to SWG for less maintenance. Seeking input on where you would recommend SWG installation.


Wide Angle lens:
1694284271033.png

Same shot, but regular lens:
1694284241529.png

Alternate View:
1694284310157.png

Heater side view:
1694284670646.png

I hardly have any room around my pool/spa returns. Looks like I have plenty of room before/after my heater though. Reasonable option? My goal is as little maintenance/interaction with chlorine as possible!

I very much still feel like a rookie, so please be kind :)

Thanks!
 
No,

Normally, a SWCG is installed after the heater and before the Return valve. The Return valve is the valve that sends the water to the pool or the spa.

If you had an automation system, it would shut off or reduce the SWCG's output when in the spa mode. Since you don't use the spa much, you could just manually shut off the SWCG when in the Spa mode.

Thanks,

Jim R.
 
I only have about 18" from the top of the heater outlet to the ground, which might just be able to squeeze a SWG in? I was reading in the pentair intellichlor manual it says to install at least 3 feet away from the outlet which doesn't seem possible with my current setup. Would there be an appreciable benefit from swinging out the outlet piping with some 90 degree turns to take more advantage of that horizontal space in the corner?

1694311701441.png

I also do have a bypass for the heater, which I also typically have engaged. Would having it regularly bypassed give me that option to install upstream of the heater?

Thanks!
 
No,

I would not install it before the heater, by-pass or not..

I would remove the tab feeder.

You can add some plumbing to install the cell, a few 90's won't have much effect on the water flow.

If you do a vertical install, you don't need the "loop' shown in your drawing. Just make sure the water flow through the cell is up.

Thanks,

Jim R.
 
Bumping my thread because I'm going to try to get this installed before summer.

My thought is to go from the heater out and put in flow valve going down and I would put about 2' of pipe horizontally toward the house, 90* down for 16" with the SWG installed vertically, then run back to the return. On my phone now, but I will update tonight with an MS Paint sketch. From the heater outlet to the ground is about 25".

Does this seem reasonable?
 
Last edited:
Actually, sorry if this is a dumb question. If I (almost always) have the heater bypassed, does it still need to be 3 feet away from the heater outlet? What is the reason for the 3 feet of separation?
 
Option 1
1710037425578.png
Not sure if it makes more sense to do vertically or horizontally

Option 2
1710037218525.png
This definitely seems the easiest to install, but I don't fully know why it needs to be 3 feet from the heater outlet? Is it simply heat when the heater is on? This pipe is ~6 inches from the heater itself and you an see the exhaust outlets from the heater in this picture. One site said that the concentrated chlorine water could drift back into the heater and cause corrosion, so would adding an extra check valve here be sufficient?
 
The SWG at my old place wad 90'd directly to the heater. With similar simple plumbing, it worked fine for years before I learned it was a 'problem'.

Flow switches need 'upflow'. They will all fail, it is not a matter of *if* but *when*. When they do, gravity may close them if mounted downward. Then boom.

Besides that reason, I like option 1 as you have the space to use so why not use it ? It'll make SWG maintenance a little easier down the road to not have to kneel in the corner to get to the unit at ground level. As a 6+ ft individual I HATE things at ground level. :ROFLMAO:
 
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