?     Asked on 12/6/2016by Peter Johnson

My in ground pool in Amelia Island, Fl., has a Pentair FNS plus 48 filter system. Bottom tank has sprung a very small leak according to my pool guy. ( I'm living in Mexico this year.). He tells me he's capable of installing the bottom tank and connections. My tel if needed is 904 321-0597. Should I order your part number 170017? Is it in stock?
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A  Answered on 12/6/2016 by InyoPools Product Specialist Stacey M.

Hello Peter, it looks like what you have is D.E.Pentair Nautilus FNS Parts which is a fiberglass model 24, 36, 48, and 60. The tank you are looking at to replace this goes to an FNS plus system that is for models 180006, 180007, 180008, 180009 and would possibly not fit the model you have.  To be sure I would contact Pentair 800-831-7133 to make sure these models would work. Because the one that is fitted for models 24,36,48,60 it doesn't have a tank replacement it is obsolete.
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?     Asked on 4/17/2017by Frank

I have a small leak in the bottom tank of my Pac Fab (Pentair) Filter FNS Plus DE FNS36 filter. I am looking to only replace the bottom tank portion of this assembly. I have located the part # (I believe is PN 170017). My question is can provide me with the replacement part # as I have noticed on several websites that this part number is obsolete with prices ranging from $230 - $400. I am trying to watch the $. Is there another tank bottom, perhaps a generic brand that would fit my filter? Thx
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A  Answered on 4/17/2017 by InyoPools Product Specialist Scott W.

Part number 170017 is the bottom tank for a 48 sq ft filter, if you have the FNS36 you need the 36 sq ft bottom tank, part number 4600-0016.
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?     Asked on 8/9/2017by James Krentz

Greetings: Looks like you've got the best price. I just want to confirm this is what I need in order to replace my 180008 Pentair FNS Plus D.E. bottom tank.
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A  Answered on 8/9/2017 by InyoPools Product Specialist Alex V.

James, Yes, this is the correct bottom tank for the Pentair 180008 filter. 
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?     Asked on 6/11/2019by FRITZ

at a lost, installed new 170017, new multiport valve and O-ring for stand pipe, still have de getting back into the pool, is it time to replace the bottom half of the filter tank , unit is 13 years old, thanks
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A  Answered on 10/2/2019 by Industry Professional

While it is hard for us to recommend spending $ on a filter that is over 10 yrs old you need to look at your filter grids, possibly have a hole or tear in a grid allowing DE to pass back into the pool.
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?     Asked on 12/26/2020by Danny rashty

Tank Bottom Assy., 48 Sq Ft Fns Plus (170017) does it comes with the standpipe, and connections to the incoming / outgoing valve is that new or used ?
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A  Answered on 12/28/2020 by InyoPools Product Specialist Hector F.

Hi Danny, yes this filter bottom assembly comes with the standpipe and the inlet/outlet pipes. 
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?     Asked on 9/8/2021by Robert Williams

What is the model # for this tank?
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A  Answered on 9/9/2021 by InyoPools Product Specialist Craig C.

Hello Robert.  The Pentair Pool Products FNS Plus Tank Body Assy 170017  is compatible with the 48 Sq Ft FNS Plus DE Filter manufactured by Pentair.  Attached please find an exploded parts diagram of the Pentair FNS Plus DE Filter for reference.  Pentair FNS Plus D.E. Filter
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