Winter Closing Advice

May 21, 2016
49
Harford County, MD
Surface
Plaster
Chlorine
Liquid Chlorine
Closing my pool for the winter has always been a long, and as I learned last year, ineffective process. Been dealing with some health issues and am now two months behind in doing this, so would greatly appreciate guidance on two items:

1) My equipment is in my garage which means I cannot just pull the plug to drain my filter. In prior years I have tried various ways to drain using wetvac, all take a while and still leave a mess. I had to add a new multiport prior to this season, and also added unions on the suction/return lines. Is there a series of steps that would allow me to drain the filter as low as possible (into buckets I guess) and then disconnect, lift and put on a dolly to wheel out of garage to drain the rest? Also would like to avoid getting a bunch of DE back in the pool if possible. See first picture of my setup. Would be great to just put buckets under backwash/waste port if possible.

2) I learned last year the method I was using to blow out suction lines was useless. Have been fortunate winters have been mild for years here in MD. I have the old style combo skimmer, so a shared line for skimmer/main drain. I was previously trying to air lock lines using three way valve just before pump by pulling pins, spinning 180*, and closing bottom of the 'T', but it leaks air and after an hour any lock is lost. I guess because the valve wasn't intended to work this way? Are there any alternative options? Antifreeze would just flow into the pool, I think.
 

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My equipment is in my garage which means I cannot just pull the plug to drain my filter.
Install a valve instead of the drain plug. If you don't have anywhere good nearby to drain with a hose, you could drain into a shallow pan and shop vac it as it fills the pan.

Screenshot_20241118_071010_Chrome.jpg
I have the old style combo skimmer,
The drain leg needs a valve to be able to air lock it. The equipment pad leg won't airlock but can be sealed with a threaded plug or an expanding rubber plug.

Screenshot_20241118_071316_Chrome.jpg
 
Just to add to what @Newdude is saying the "A" in picture is your skimmer line back to the pump which you'll blow out till there's no more water / vapor exiting and then plug it but not before adding some RV antifreeze. The "B" is your main drain line which you need to airlock but I'd recommend after airlocking to use a winter plug in the valve to be sure it won't un-airlock as they're not the best valves to trust. Screenshot_20241118_080313_Chrome.jpg
 
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