How To Replace Multiport Valve On Sand Filter

Before we get into our pace by step guide on how to change the sand in a pool filter, you lot should know that if you take a pool, it is really important that you keep on acme of cleaning and maintenance, as these are two things that tin hands leave of paw when left unattended.

One of the well-nigh important things to keep an middle on is the pool filter, equally this is an essential piece of equipment for puddle cleaning.

Any and every pool filter will need to be cleaned and the if yous have a common pool sand filter, the sand inside will need to be changed every at present and and then. If information technology is time for you to do this, you might be left wondering what you lot are supposed to do…

To aid yous to understand how to modify the sand in the pool filter, nosotros are going to tell y'all everything that you need to know in this commodity.

Nosotros will provide yous with a step-past-pace guide on how to change the sand in your pool filter to make the feel easier.

How to Properly Modify Pool Filter Sand

If you need to alter the sand in your pool filter, the start thing that you need to do is open up the filter.

Inground Swimming Pool Filters that have the multiport valve mounted on top of them will unremarkably require you to disconnect the plumbing that runs to the valve. We will explicate more on opening your filter below.

If you do not have unisions on the pipes, you volition need to cut them in order to remove the multiport valve.

You lot might as well desire to consider installing unions on these lines to facilitate future service on your filter, but this is totally up to you. Depending on what type of sand filter you have, accessing and replacing the sand may vary. See our guide for each filter type below.

Side Multiport Valve Filters

Filters that accept the multiport valve mounted on the side will accept either a pocket-sized top that can exist removed, or a tank that is bolted or clamped in the middle, which can be taken apart.

If your filter is a two-piece tank that is bolted or clamped in the middle, yous should pull the drain plug showtime to allow for the water to drain earlier you pull the tank apart.

Once y'all have washed and so, it is quite easy to remove the sand.

Single Slice Filter WIth Pinnacle Opening

If your filter is not the two-piece type, but it yet has a small opening at the top from either a multiport valve or cover, at that place are two methods that you tin can follow to remove the sand.

The showtime of these methods involves a filter that has a plug at the bottom and allows the sand to menstruum out. This is usually a larger plug that volition be threaded to your winterizing drain plug.

One time you remove this plug, y'all can use your garden hose to launder out the sand from the tank.

Single Piece Filter Without Drain Plug

If yous have a single piece tank that does not accept this type of bleed plug, and then you will need to dig out the sand through the acme with a cup.

The first thing y'all need to do is pull the bleed plug to get rid of the water. If there is a elevation-mounted multiport valve, there will be a stand pipe in the middle of the opening.

Practise not endeavor to motion this out of the way, as it can cause damage. You volition demand to dig out the sand with a small loving cup.

Once y'all have managed to get rid of enough sand to expose the laterals, y'all will be able to motion the stand pipage out of the way.

If the valve is side-mounted, you will have an overdrain that will fill the opening at the top. This can exist removed, normally by unscrewing it.

You will then be able to rotate the pipage that information technology is connected to by moving it to the side.

Sometimes, the overdrain volition exist glued to its pipe, which ways that you will take to rotate the pipe with overdrain out of the way. You will and then be able to dig out the rest of the sand.

Be Gentle With Your Pool Filter Laterals

You volition need to exist really conscientious when you are earthworks out the sand, as you lot could otherwise crusade damage to the laterals in your filter.

These are very fragile, which is why it is important to accept your fourth dimension and exist gentle. This is also the main reason why y'all shouldn't use a shovel. Once all of the sand has been removed, you should clean and examine the laterals.

The majority of laterals will unscrew, which makes them really easy to remove from the tank for cleaning. If you have a two-piece tank, then the laterals could snap in instead of being screwed.

If this is the case, you should exist able to remove the unabridged underdrain assembly in one piece.

If they are glued in, you will not exist able to pull them off. Make certain to bank check for whatever signs of damage. If anything is broken, information technology will need to be replaced immediately.

Properly Cleaning Pool Filter Laterals

To clean the puddle filter laterals, yous tin can soak them in a mixture of muriatic acrid and h2o, especially if there is a lot of dirt on them.

You will also need to thoroughly rinse them afterwards. Once y'all take done this, yous tin rinse out the tank and reinstall the clean laterals.

Replacing the Swimming Puddle Filter Sand

One time you take followed all of the above steps, you lot will be fix to replace the sand. Y'all should replace the underdrain assembly, and then add water until the tank is half-full to protect the laterals when you add together the sand.

Later on you pour in a bag of sand, level it out before you add the next 1. Fill it with sand to the level that is indicated by the manufacturer.

Once the correct amount of sand is added, y'all will need to reassemble the filter tank and/or multiport valve.

You will need to start the system in backwash mode, as this will affluent out all of the grit from the sand and allow the sand to completely settle.

For video instructions, check out the footstep-by-step video by BuildersSA below! Also, we recommend you see our full guide on How To Fully Clean A Sand Pool Filter likewise, which goes much more into the cleaning details.

My proper name is Denise and I am an Analytical Pharmacist located in the Kansas City metro area. Some things I am passionate well-nigh are gardening, scientific discipline, pond, and blogging. I am happy to be part of the All Near Pools team & contribute my cognition & expertise to help swimming pool owners and backyard enthusiasts!