$14.99

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By Pentair Pool Products


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Part # 4600-4578

Manufacturer Code 154578

Dimensions 1.5" L x 1" W x 1" D

Alternate Part #'s 15-4578, 154577, 154578, 31-110-1418, PAC-051-1404, PAC0511404, PAC0512838, PEN154578

Product Description

INYO # 4600-4578 PENTAIR # 154578 THIS IS AN AIR RELIEF SCREEN USED ON A NUMBER OF PENTAIR FILTERS THIS SCREEN IS ROUND, WITH A RUBBER BASE. THE SCREEN MATERIAL ATTACHED TO THE BASE IS A METAL MESH VERY MUCH LIKE THE METAL MESH ON A SCREEN DOOR. THERE ARE 3 AIR RELIEF SCREENS MADE LIKE THIS. THE DIFFERENCE IS IN THE DIMENSIONS AND THE HOLE IN THE BOTTOM OF THE RUBBER BASE. EACH SCREEN IS USED WITH A DIFFERENT TUBE SIZE, SO THE HOLES ARE DIFFERENT SIZES. THE PART NUMBER AND DIMENSIONS OF EACH WILL BE SHOWN HERE.

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DIMENSIONS: 4600-2855 (172855) DIAMETER: 1-3/4" HEIGHT: 1-1/2" HOLE SIZE: 3/4"

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4600-4578 (154578) DIAMETER: 1-1/4" HEIGHT: 7/8" HOLE SIZE: 1/4" (JUST A LITTLE UNDER 1/4")

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4601-0035 (150035) DIAMETER: 1-1/4" HEIGHT: 7/8" HOLE SIZE: 3/8"

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NOTE DATE: 5-7-2009

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?     Asked on 7/20/2016by ron

I have a triton filter model TR-100, is this the strainer that I need? This filter was installed in the 80's, and uses 600 lbs of sand.
 Reply

A  Answered on 7/20/2016 by InyoPools Product Specialist Alan M.

This Air Relief Strainer, is a correct replacement for the TR-100 Pentair Triton Fiberglass sand filter.
 Reply


?     Asked on 5/9/2017by Inyo Visitor

I have a tr 60 and this is missing would this cause sand to be in the bottom of the pool
 Reply

A  Answered on 5/10/2017 by InyoPools Product Specialist Lennox H.

Hi. Yes. If this air relief strainer is missing, sand can get back into the pool.
 Reply


?     Asked on 7/31/2018by Perri G Denley

We have a Nautilus NS 72 Stainless Steel DE Filter. We have lost the air relief strainer and the tube it attaches to. Which size strainer is correct for this filter and is the tube just something that can be picked up at a home or auto supply store?
 Reply

A  Answered on 8/3/2018 by InyoPools Product Specialist Hector F.

The air relief strainer for your model filter is 4600-2855 and the dimensions are listed directly beneath the large main image. 
 Reply


?     Asked on 4/25/2020by Michael Fluty

Is this the correct part for a TR60 install in 2008.
 Reply

A  Answered on 11/5/2020 by InyoPools Product Specialist Hector F.

Hi Michael, the correct air relief strainer for the Pentair TR60 model sand filter manufactured after 11/1/99 is part number 4601-0035
 Reply


?     Asked on 8/15/2021by Wendy Wood Parker

When we removed the lid for out Pentair FNS Plus DE Filter 36 the mesh filter attached to the fins was totally destroyed. Is this what I need to put on the tube.
 Reply

A  Answered on 1/17/2022 by InyoPools Product Specialist Craig C.

Hello Wendy.  The Pentair Pool Products Vent Tube Screen is the correct replacement part for the Pentair FNS Plus DE 36 Air Bleed Assy.  Vent Tube Screen    The Air Bleed Assy (complete) is part number 190092.  Air Bleed Assy  Attached please find an exploded parts diagram for the Pentair FNS Plus DE Pool Filter.    Pentair FNS Plus D.E. Filter
 Reply


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