Set your multiport valve to winterize and remove the drain plug at the bottom to allow the filter to drain completely.
Swimming pool sand filter drain plug.
You do not need to remove any sand from the filter.
Generally pool filter sand lasts about 5 7 years before it wears out and needs to be replaced except for very small filters used on aboveground pools which usually need new sand much sooner.
For those pools that have a cartridge filter there are two ways to achieve this.
Atie 1 5 pool spa threaded filter drain winter plug sp1022c receptacles w o ring replace for hayward filter drain winter plug 5 pack 4 6 out of 5 stars 26 10 25 10.
Hayward sp1022c swimming pool spa filter 1 5 threaded drain pipe plug w o ring model.
Go to the back of the filter and unscrew the drain plug.
If your filter is not the two piece type but has the small opening at the top of either the multiport valve or cover there are two ways to remove the sand.
Shut off the pump.
To do this simply unscrew and remove the drain cap on the bottom of the filter barrel.
A sand filter needs backwashing when the pressure gauge reads 8 10 lbs higher than the pressure after cleaning.
This is while the pool is working.
Outdoor garden store repair hardware 4 7 out of 5 stars 5 6 79 6.
Once you have pulled it apart it is an easy matter to dig out the sand.
Remove the drain plug and let the filter tank fully drain.
Blow out the lines at the pool equipment use your air compressor or a shop vacuum to blow out the lines if possible and plug them.
The filter needs to be back washed repeatedly.
Either will be recharged with water in the spring more below in the lower water and drain equipment.
Pull the drain plug first to allow the water to drain before pulling the tank apart.
Turn the pump back on and let the water run until it reaches the point where you want to drain the water out.
This is a two person job.
How to drain a pool with a cartridge filter.
Later empty the filter if it is a diatomaceous earth de filter dry and store the filter elements or perhaps it is a sand filter.
Pump preparation disconnect the drain plugs on your pump and put them in the pump basket.
Using the drain plug.
If your multiport valve has a bleeder valve and a sight glass remove those too and store them in the pump.
The method you use for winterizing your above ground pool will depend on which type of filter you have.
Many swimming pool companies put the drain plugs for all the equipment items in the pump basket.
Put the cap away in a safe place until the next time you open the pool.