How does a Hayward backwash valve work?

WATER FLOW, BACKWASHING – With the Slide Valve in the Backwash position, water flows from the PUMP through the middle port and down into the lower piping of the Filter Tank. The water is then dispersed into the bottom of the tank through the laterals, then forced up through the sand to the top of the tank.

How do you backwash a slide valve?

How do I Backwash a pool filter?

Shut off pump, roll out backwash hose, check waste line for any closed valves.
Turn multiport valve handle to backwash, or slide a push pull valve.
Turn on pump.
Backwash until water runs clear, about 2-3 minutes.
Shut off pump, turn valve back to filter, turn filter back on.

What kind of backwash valve does Hayward use?

Utilized industry wide, Hayward backwash valves set the standard for performance and reliability. Hayward offers a full line of multiport and slide backwash valves to support our complete line of vertical grid DE and sand filters.

What kind of backwash valves do you use?

How does a backwash filter work in a pool?

RINSE – Use after completing backwash cycle to ensure all dirty water is rinsed our of the filter to waste. WASTE – By-passes the filter for draining or lowering pool water level and for vacuuming heavy debris directly to waster line. RECIRCULATE – Water is recirculated through the valve, by-passing the filter.

How does a recirculate valve work in a pool?

RECIRCULATE – Water is recirculated through the valve, by-passing the filter. CLOSED – Shuts off the flow from the pump to the filter. WINTER – For winterizing.

Which is the Hayward micro clear slide valve?

Hayward SP0410X502S Micro-Clear Slide Valve Assembly with 2-Inch Pipe . This is a valve and coupling selection for the Pro-Grid Vertical Grid D.E. Filters. Would you like to tell us about a lower price?

How do you get a broken valve out of a Hayward valve?

(Hint: A Hayward engineer) If this happens to you it shouldn’t be difficult to get the broken stem out of the valve. Just unscrew the fittings, reach in, and push the stem up or attempt to grab the broken stem from the top with some narrow-nose vice grips.

How does a Hayward backwash valve work?

In Backwash Mode, the water is reversed through the filter. Water from the pump is fed into the bottom of the filter tank, pushed up through the sand to release the trapped dirt particles and purged out a waste line connected to a port at the top of the Filter Tank.

How does a pool backwash valve work?

The backwash valve, either a push pull or multiport valve attached to the filter, was introduced to switch the water direction in one easy movement. As the backwash water leaves the tank, the dirty water is released out of the waste port of the valve, which may be connected to a pipe or discharge hose.

Why is my filter not backwashing?

If you do not add enough DE to your filter, then the grids are not totally coated with DE and the dirt that goes into your filter will attach itself right to the fabric on the grids and will not backwash off. This will cause your filter to short cycle (go very short times between backwashing).

Why is the backwash not working?

It could be a clogged pump basket, clogged impeller, clogged pipe or clogged skimmer. It could also be a closed or broken valve before the pump. Or, the pump may have an air leak, and is drawing in more air than water, which will also reduce the filter pressure (and filtration).

How do I change the sand in a Hayward pool filter?

Quick Answer. Change the sand in a Hayward sand filter by washing the old sand through the drain plug using a garden hose and then replacing it with 300 pounds of 20-mesh swimming pool filter sand. Replace the sand every three to five years.

How do you backwash pool filter?

How to Backwash a Pool Sand Filter. Turn off the pool pump. Set the filter valve handle to the BACKWASH position and ensure the handle locks in place. Turn on the pump and backwash for 2 minutes or until the water in the sight glass (located on the filter) is running clear. Turn Off the Pump.

How often should I backwash my pool sand filter?

A sand filter should always be backwashed for a minimum of 3 minutes and a maximum of 5 minutes depending on the size of the filter. Backwash for at least 3 minutes, even if the water leaving the backwash line or the water in the site glass is clear.

How to backwash a pool sand filter?

Backwashing a pool sand filter is a simple, straightforward process that involves switching the multiport valve setting of the pool sand filter to “Backwash” then running the pump for a few minutes. This reverses the flow of water in the filter which flushes the dirt out of the sand and discharges it through the water outlet.