What is the valve on a sand filter?
multiport valve
There are three types of pool filters: cartridge, sand, and DE (diatomaceous earth). Sand and DE filters use a multiport valve to help clean or backwash the filter media. Multiport valves are called multiport valves because they have multiple ports inside the valve that allows the water to move in multiple directions.
Where is the pressure release valve on a sand filter?
Run the filter and open the air relief valve on top of the filter. It is typically a small handle-like protrusion on the top of the filter near the pressure gauge.
Should all valves be open on pool?
From left to right, they are SPA MAIN DRAIN, CLEANER, SKIMMER, and POOL MAIN DRAIN. For the cleaner to operate at maximum efficiency, only the skimmer and cleaner valves should be open. No other valves should be open. So it is either main drain+skimmer or cleaner+skimmer.
What’s the difference between backwash and waste?
Drain/Waste: Opting the drain or waste setting will remove pool water without forcing it through the filter. Backwash: This clears out any debris, dirt and other contaminants that may have accumulated on the filter.
How do you release pressure from a sand filter?
To relieve air pressure in the tank, simply open the air relief valve upon turning on the system. Sometimes the problem can be with the filter gauge itself. You may notice excessive readings that suggest an issue with your system.
How often should you change sand in sand filter?
every 3-5 years
On average, sand should be replaced every 3-5 years. This may be longer if the pool stays clear, or shorter, if the filter runs all the time. The jagged edges of the sand wear down and become smooth as the sand ages.
How often should I backwash my sand filter?
How Often Should I Backwash? A good rule of thumb is to backwash once the pressure displayed on your pressure gauge is 8-10 psi over the starting level. Backwashing after heavy rains, treating for algae, or when trying to clear cloudy water will keep your filter working efficiently.