Consult your manual for the correct valve position your valve will be located on top of the sand canister, it generally should be labeled, however if it isn't or you can't find your manual with the specific position you can usually find a manual online, after this connect your waste line and set your valve to backwash, do this until the water begins to clear after this, shut down your pump and switch to rinse cycle while rinsing watch for the look glass tube to become clear if your pump does not posses a look glass generally 3 minutes if rinsing is enough, after this your pump is ready to resume normal filtration,
Filter, winter, closed, backwash, rinse, waste
Depending on the size of the pool and the size of the filter and the amount of times you have to backwash, also if you have had a lot of rain then you may need to backwash more than usual. If you put the pool in and the filter and you know how old the sand is, if you are backwashing more than usual,change the sand. Also before you backwash check the pressure of the water going back into the pool, then backwash check the pressure again the pressure should for any size hayward pump push your hand away if it does not then change your sand.
A Hayward filter typically uses around 300-500 lbs of sand. The sand should be replaced every 5-7 years or when the flow rate decreases even after backwashing. Backwashing should be done when the filter pressure increases by 7-10 psi above the clean pressure.
My Hayward sand filter doesn't have a liner. I just add the sand to the pressure vessel.
The filter position is right above the pool return line.
Zeolite is lighter than sand and smaller than sand. It can get past the laterals and backwash out easier. When backwashing some of it will be in the valve. Rinsing will remove some of it but some will go to the pool.
Sand Andre Pro 50 is a better filter game than the Hayward VL40T32 VL.
when the pressure is high on filter mode it usually means that a backwash is required.
Backwashing is done to clean the filter media in sand and DE systems. Cartridge filter systems don't have a "backwash" provision. You just remove the cartridges and wash off the dirt and debris with a hose.
The "backwash knob" - usually called the handle - is located on top of the filter or just to the side of the filter on a sand filter. They could be on the very bottom of the filter or to one side of the filter but never on the pump. The filter is the large tank.
It sounds like either your valve is not set completely to "filter" or your valve's seals are degrading. If the valve is completely set to "filter", then either replace the valve, or plug the end of the backwash hose.Here's a good place to look for new backwash filters: http://www.swiftpoolsupplies.com/category/product-list/backwash-valves
200 pounds