Question about Pentair Sand Dollar 19" Filter with 1 Hp Dynamo Pump System Fil Pen 145148

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Want to know how to install a sand dollar filter to the pool

Need to know where the hoses hook up.
don't have a manual and get find one online

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If you have the ABOVE GROUND system, where the filter and pump are right next to each other, you can find a manual at the following link:

The hoses are connected to the ports on the valve. The ports are labelled, but hard to read. The Waste Port is the one under the valve position WASTE and is the easy one to find! The other ports are labelled Return- which is the line going to the pool and Pump- which is the one that comes from the pump into the filter.

If you have an inground pool, with the filter and pump seperate, then the manual for the Sand Dollar is at the following link:

Hope this helps you out!

Posted on Jul 10, 2009


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My filter has only been used for 2 months, it seems like there is sand on the bottom of pool, I just had new liner put in because the sand crystallized last year and I couldn't get it off. The filter...

Hayward should stand behind their filter. If the unit is only two months old, the seller should be helping you. If there is sand in the pool, it is because on the bottom of the filter is a distributor which is tubing with many thin slits. The slits are small enough that sand can not get through. If a piece of the tubing breaks or if it is not installed tightly, sand will continue to get out and into your pool. If you Google Hayward, I'm sure customer support will be able to help you.

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2. If you have a sand filter system - you will have a control handle some where on your pipe work near your filter, which will have around some settings you can select with handle... like....> Normal, backwask, rinse, recirculat + others PLUS a pressure guage.

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If sand is returning to the pool, the most common cause is the laterals, or the internal pipe is not connected to the valve properly.

If you have laterals with "slots" on one side and solid plastic on the other side, the slots have to be installed so that the slots face downward, toward the bottom of tank. If one, or more, are facing upwards, you are pulling sand right into the pool. If you have the newer laterals, with slots on all four sides, one, or more, may not be tightly in place.

If you have too much sand in the filter, that could cause this issue also. Pentair recommends using the #20 Standard Silica Sand in the filters.

Hope this helps!

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1 Answer

Pool need to know how hoses hook to pool

from the skimmer to inlet pump -from outlet pump to in let filter -from out let filter back to pool return

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