Servicing the relief valve, 2" (8 – 50mm), Repair kits – Watts LF919 User Manual
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Servicing the Relief Valve
Series 919 and LF919
1
⁄
4
" – 2" (8 – 50mm)
Quad-Ring
Relief Valve Cover O-ring
Diaphragm Nut
Relief Valve Diaphragm
Relief Valve Stem
Relief Valve Disc
Relief Valve
Disc Screw
Relief Valve Seat
Body
Relief Valve Seat O-ring
Relief
Valve
Spring
Relief
Valve
Cover
Cover
Bolts
Repair Kits
1
⁄
4
" – 2" (8 – 50mm)
When ordering, specify Ordering Code Number, Kit Number and Valve Size.
ORDeRiNG CODe
KiT NO.
Size
in.
mm
Total Repair Kits:
0888167
RK 919-T
1
⁄
4
–
1
⁄
2
8 – 15
0888168
RK 919-T
3
⁄
4
20
0888169
RK 919-T
1
25
0888170
RK 919-T
1
1
⁄
4
– 1
1
⁄
2
32 – 40
0888171
RK 919-T
2
50
Kit consists of: Relief Valve Repair Kit, First Check Repair Kit, Second Check Repair Kit
Total Relief Valve Kits:
0888130
RK 919 VT
1
⁄
4
–
1
⁄
2
8 – 15
0888131
RK 919 VT
3
⁄
4
– 1
20 – 25
0888132
RK 919 VT
1
1
⁄
4
– 2
32 – 50
Kit consists of: Relief Valve Assembly, RV Spring, and RV Cover O-ring
Relief Valve Rubber Parts Kits:
0888135
RK 919 RV
1
⁄
4
–
1
⁄
2
8 – 15
0888136
RK 919 RV
3
⁄
4
– 1
20 – 25
0888137
RK 919 RV
1
1
⁄
4
– 2
32 – 50
Kit consists of: Relief Valve Disc, RV Diaphragm, RV Seat O-ring and Cover O-ring
ORDeRiNG CODe
KiT NO.
Size
in.
mm
Relief Valve Seat Kits:
0888150
RK 919 SV
1
⁄
4
–
1
⁄
2
8 – 15
0888151
RK 919 SV
3
⁄
4
– 1
20 – 25
0888153
RK 919 SV
1
1
⁄
4
– 2
32 – 50
Kit consists of: Relief Valve Seat, RV Seat O-ring and RV Cover O-ring
Relief Valve Cover Kits:
0888155
RK 919 VC
1
⁄
4
–
1
⁄
2
8 – 15
0888156
RK 919 VC
3
⁄
4
– 1
20 – 25
0888158
RK 919 VC
1
1
⁄
4
– 2
32 – 50
0794142
LFRK 919 VC
3
⁄
4
– 1
20 – 25
0794143
LFRK 919 VC
1
1
⁄
4
– 2
32 – 50
Kit consists of: Relief Valve Cover and Cover O-ring
Air Gaps
0881575
919 AGA
1
⁄
4
–
1
⁄
2
8 – 15
0881576
919 AGC
3
⁄
4
– 1
20 – 25
0881577
919 AGF
1
1
⁄
4
– 2
32 – 50
LEAD FREE
*
LEAD FREE
*
LEAD FREE
*
LEAD
FREE
*
LEAD FREE
*
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.