Manualshelf

User Guide

ManualsBrandsFebco ManualsBackflow Preventers1"LF825Y-QT Quarter Turn Reduced Pressure Zone Assembly (Lead Free)
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MAINTENANCE MANUAL MODELS 825Y, 825YA, 825, 825D, 825YD & 826YD
ITEM
NO.
DESCRIPTION QTY.*
SIZE
2½"
SIZE
3"
SIZE
4"
SIZE
6"
SIZE
8"
SIZE
10"
42 Resi lient Seal ed NRS (Inlet)
2 781-005 781-006 781-007 781-008 781-009 781-010
42 Resi lient Seal ed OS&Y (Inlet)
2 780-891 780-893 780-895 780-897 780-899 780-901
42A Resi lient Seal ed NRS (Outlet)
2 781-01 1 781-012 781-013 781-014 781-015 781-016
42A Resi lient Seal ed OS&Y (Outlet)
2 780-890 780-892 780-894 780-896 780-898 780-900
Shutoffs: Model 825
ITEM
NO.
DESCRIPTION QT Y. *
SIZE
2½"
SIZE
3"
SIZE
4"
SIZE
6"
SIZE
8"
SIZE
10"
2 Seat Ring
2 780-273 780-274 780-275 780-276 780-277 780-278
2A Bushing
2 780-280 780-280 780-281 780-281 780-282 780-282
3 Guide
2 ----- ----- 190-001 190-002 190-003 190-004
4 Cover
2 780-306 780-307 780-308 780-309 780-310 780-31 1
4A Bushing
2 780-312 780-312 780-313 780-313 780-313 780-313
5 Disc Holder
2 190-013 190-014 190-005 190-006 190-007 190-008
6 Disc Washer
2 190-016 190-017 190-009 190-010 190-01 1 190-012
7 Stem
2 780-332 780-333 780-334 780-335 780-336 780-337
7A Screw
2 ----- ----- 51 1-515-08 51 1-515-08 51 1-515-08 51 1-515-08
7B Washer
2 ----- ----- 780-338 780-338 780-338 780-338
9 Spring (Outlet)
780-341 780-342 780-343 780-344 780-345 780-346
10 Spring (Inlet)
780-349 780-350 780-351 780-352 780-353 780-354
11 Seat Dis c
2 780-357 780-358 780-359 780-360 780-361 780-362
12 O-ring
2 398-238-72 398-246-72 398-254-72 398-264-72 398-273-72 780-095
13 Capsc rew
16 51 1-516-08 51 1-516-08 51 1-517-08 51 1-519-12 51 1-520-12
13 Capsc rew
24 ----- ----- ----- ----- ----- 51 1-520-14
14 O-ring
2 398-244-72 398-252-72 398-263-72 398-272-72 398-451-72 740-102
15 Lock nut
2 521-547-00 521-547-00 521-550-00 521-550-00 521-551-00 521-551-00
16 Gask et
3 780-365 780-366 780-367 780-368 780-369 780-370
17 Bol t
12 51 1-019-18 51 1-019-20 ----- ----- ----- -----
17 Bol t
24 ----- ----- 521-019-22 521-020-26 521-020-28 -----
17 Bol t
36 ----- ----- ----- ----- ----- 51 1-021-30
17A Nut
12 521-019-00 521-019-00 ----- ----- ----- -----
17A Nut
24 ----- ----- 521-019-00 521-020-00 521-020-00 -----
17A Nut
36 ----- ----- ----- ----- ----- 521-021-00
40 Plug Coc k
4 781-047 781-047 781-047 781-048 781-048 781-048
41 Nippl e
4 571-181-44 571-181-44 571-181-44 571-181-55 571-181-55 571-181-55
50 Air Bleed
4 9594A1 10 9594A1 10 9594A1 10 9594A1 10 9594A1
10 9594A1 10
51 O-ring
2 398-014-72 398-014-72 398-1 16-72 398-1 16-72 398-1 18-72 398-1 18-72
121 Reli ef V alve As sem.
1 902-440L 902-440L 902-446L 902-446L 902-446L 902-446L
Check Valve Body: Model 825
Model 825 (2
1
/2–10") Parts
* Quantity required per valve.
* Quantity required per valve.