FNS Plus 36 Sq Ft Filter w/o Valve - 180007



Part # 180007

By Pentair Pool Products

  5 Average  



Part # 180007

Warranty 3 year tank

Product Description

Pentair FNS Plus filters are fiberglass reinforced polypropylene of advanced chemical resistant materials for superior strength and reliability. The top manifold design features the Service-Ease grid pack for convenient one-at-a-time grid servicing. Pentiar Backwash valves are sold separately.

  • Superior strength
  • Service-Ease grid pack
  • Continuous High Flow internal air relief*
  • 100% factory tested
  • Top-to-bottom backwash
  • High Flow manual air relief valve
  • Tension Control clamp
  • Black valves and plumbing
  • 1 1/2 in. bottom clean out port
  • 7 1/2 in. centerline bulkhead fittings
  • Warranty 3 Yrs. Shell, 1 Yrs. Parts

Click here for more Pentair Filter

Product Specifications

Multiport Valve:
25 lbs.
Filtration Area:
36 sq. ft.
Flow Rating:
72 GPM
Turnover 8 Hrs.:
34560 gal.
Turnover 10 Hrs.:
43200 gal.
Turnover 12 Hrs.:
51840 gal.
DE Required:
3.6 lbs.

?     Asked on 12/4/2016 by Barney McLaughlin

My pool system is 30 years old. I have a Pac Fab DE filter model WS/FNS-48. The fiberglass is badly deteriorated and I wish to replace this filter with a new filter. Can you advise me of a replacement filter? Thank you

A     Answered on 12/5/2016 by Adam Y.

Good morning Barney, You are looking for FNS Plus 48 Sq Ft Filter w/o Valve - 180008. I would also recommend you replace the muti-port. Which you can click on parts by filter and choose whether you have 1.5 inch or 2" plumbing.

?     Asked on 9/22/2016 by Huynh Vo


A     Answered on 9/23/2016 by Alan M.

Hello, how may we assist you?

?     Asked on 6/4/2016 by Nick

I have in ground 16X32 pool( about 22000 gallons) with 300 lb sand filter and 1.5 hp pump , I need to change it to DE filter.what is the right size DE filter should I use and the right pump hp also the right valve. Thanks

A     Answered on 6/9/2016 by Lennox H.

Hi Nick, The FNS Plus 36 filter can be a suitable replacement if your pump does not exceed 72 gpm. There are different types of valve that can be used with this filter depending on your pipe size and style valve. You can view the available valve via the Pentair FNS Plus D.E. Filter Parts page.

?     Asked on 10/2/2015 by carol

I have a purex triton FNSP36 now i have to replace is this the filter that will fit what i have,

A     Answered on 10/7/2015 by Lennox H.

Hi Carol, The Pentair FNS Plus 36 Sq Ft Filter w/o Valve would be the correct replacement filter.

?     Asked on 5/20/2015 by

Will this filter a 20'x40' pool 33,000 gal?

A     Answered on 5/21/2015 by Patrick P.

This filter can handle up 72 GPM's per minute meaning that it will be able to accomodate 34,000 gallons in an 8 hour time period. So this filter can handle your 33,000 gallon pool, however if your pocket book can handle it I would suggest going up to the FNS Plus 48 Sq. Ft. DE Filter. A larger filter will put less strain on your pump and will have a larger filtering capacity meaning you will not have to backwash your filter as often as with the 36 Sq. Ft. model.


Review Summary

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The Most Helpful Review

6     0

 (5 out of 5 stars)  Great product

from North Texas ()

Pros: Works great, looks great.

Cons: Doesn't heat my pool (ha-ha).

Good price, prompt delivery, great product. It was an easy swap with my 30 year old FNS 36 unit. Up and running in less than 30 minutes. 8 filter and backwash cycles and my pool went from deep green to sky blue and has stayed that way since.

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