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Nautilus Filters Replacement Parts

Replacement Parts

NAUTILUS FILTERS 
Item No. Part No. Description
261003
Automatic air relief assembly
2 274494
O-ring
3 273502
Spacer, top, black
4 273505
Spacer
5 154412
Bulkhead nut
6 188528
Shell top NS36 4
6 188529
Shell top NS48
6 188530
Shell top NS60 4
6 188531
Shell top NS72
7 192193
Manifold grid complete
9 59001000
Grid, partial NS24 12 in., 1 req.
9 59001700
Grid, partial NS36 18 in., 1 req.
9 59002300
Grid, partial NS48 24 in., 1 req.
9 59002900
Grid, partial NS60 30 in., 1 req.
10 59001100
Grid, full NS24 12 in., 7 req.
10 59001800
Grid, full NS36 18 in., 7 req.
10 59002400
Grid, full NS48 24 in., 7 req.
10 59003000
Grid, full NS60 30 in., 7 req.
10 59003600
Grid, full NS72 36 in., 7 req.
11 192324
Grid assembly, complete NS24 1
11 192325
Grid assembly, complete NS36 1
11 192326
Grid assembly, complete NS48 1
11 192327
Grid assembly, complete NS60 1
11 195060
Grid assembly, complete NS72 1
11 192340
Grid pack w/O-ring NS24 2
11 192341
Grid pack w/O-ring NS36 2
11 192342
Grid pack w/O-ring NS48 2
11 192343
Grid pack w/O-ring NS60 2
11 192344
Grid pack w/O-ring NS72 2
12 192323
O-ring
13 194981
Piping assembly, upper NS24
13 194982
Piping assembly, upper NS36
13 194983
Piping assembly, upper NS48
13 194984
Piping assembly, upper NS60
13 194985
Piping assembly, upper NS72
14 152127
O-ring, 18 in. dia. tank
15 192183
Rod, 5/16 in. x 21-1/2 in. manifold rtnr. NS36, 2 req.
15 192184
Rod, 5/16 in. x 27-1/2 in. manifold rtnr. NS48, 2 req.
15 192185
Rod, 5/16 in. x 33-1/2 in. manifold rtnr. NS60, 2 req.
15 195002
Rod, 5/16 in. x 39-1/2 in. manifold rtnr. NS72, 2 req.
16 188528
Bottom, shell NS36, NSP tank kit
16 188529
Bottom, shell NS48, NSP tank kit
16 188530
Bottom, shell NS60, 4 NSP tank kit
16 188531
Bottom, shell NS72, NSP tank kit
18 194893
Spacer, 2in. external
19 86006900
O-ring, bulkhead
19 190141
Bulkhead w/O-ring
20 194801
Bulkhead, 2 in.
21 154722
Foot, NSP/PF
22 195829
2 in. O-ring style plug
23 194913
Piping assembly lower w/drain
24 188527
Shell, bottom NS24, NSP tank kit
24 188528
Shell, bottom NS36, NSP tank kit
24 188529
Shell, bottom NS48, NSP tank kit
24 188530
Shell, bottom NS60, 4 NSP tank kit
24 188531
Shell, bottom NS72, NSP tank kit
25 154747
Spacer, 2.8 in. dia. x 1/4 in. PVC
26 192013
Nut, 5/16 in.
27 072173
Washer, flat 5/16 in. SS flat
28 192194
Retainer baffle grid
194988
Spring, NS 2 req.
32 53004800
Washer, .890 o.d., .430 i.d., .164, 2 req.
33 194989
Nut, machined 2 req.
34 172855
Strainer, air vent 3/4 in. 3
35 273512
Air bleeder
36 273513
O-ring bleeder screw
38 190059
Pressure gauge
39 274494
O-ring
NOT SHOWN 
Item No. Part No. Description
181011
Band assembly, complete 5
53006300
Washer, .890 o.d., .320 i.d., .164, 2 req.


1: Complete grid assembly consists of items 7, 9, 10, 15, 27, 28, and 35 in correct quantities as shown.
2: Grid
2: Grid pack consists of items 9, 10, and 12
2: Grid pack consists of items 9, 10, and 12 in correct quantities as shown.
3: Used on filters manufactured after Dec. 1, 1991
4: Filters manufactured before December 16, 1991 utilize a different tank top and bottom that is not interchangeable w/current units. There are no replacement Part Numbers for filters manufactured before December 16, 1991.
5: Filters manufactured before April 1, 1992 contain a different clamp band assembly. Replacement clamp band components are no longer available for these units. Replace old obsolete non-spring design clamp w/new spreing design clamp band to upgrade your filter if any components are damaged. Spring design clamp bands do not require use of a torque wrench and simplify installation of the clamp. Do not attempt to interchange components between the different clamp band designs.