7
Illustrated Parts Breakdown
HOMEGUARD SERVICE PARTS - MODEL 503
503-A&B
503-C
503-D
ITEM
DESCRIPTION
QTY
NOTES
10/08
thru
02/10
03/10
thru
10/10
11/10
thru
Current
1
Clamps
2
*
001766
001766
001766
2
Backfl ow valve assembly
1
018587
018587
018587
3
Push connect fi tting
1
018584
018584
018584
4
Diaphragm and O-ring
1
*
018588
150553
150553
5
Plunger assembly
1
*
018589
018589
018589
6
Nozzle seat
1
018557
018557
018557
7
Spring
1
*
018564
018564
018564
8
Float rod magnet guide assembly
1
150084
150084
150084
9
Float rod guide
1
150085
150085
150741
10
Float stop assembly
2
*
054085
054085
054085
11
Float
1
018567
018567
018567
12
Venturi
1
4C5532
4C5532
4C5532
13
Foot valve
1
**
018572
150260
150260
14
Valve assemby
1
150101
150101
150101
15
Screws
6
*
001885
001885
001885
16
Float rod
1
018583
018583
018583
*
Rebuild kit
1
150086
150554
150554
* Items included in rebuild kit.
** Foot valve will need to be cut off as close to top of valve as possible and new one glued in place.
SK2741
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