Watts Repair and Maintenance Page here

To purchase repair kits go here:
007/007M1 Repair Kits
757/757DCDA/LF757DCDA/757a/757aDCDA Repair Kits
009/009M1/009M2/009M3 Repair Kits
909/909M1 Repair Kits
957 Repair Kits
008/800M4/800M3/800M2/800 Repair Kits

Double Checks

007 / 007LF 1/2" - 3" 
709 3/4" - 10" 
LF709 2 1/2" - 10"
719 / LF719 1/2" - 2"
757 / 757DCDA / LF757DCDA 2 1/2" - 10"
774 / 774DCDA / 774X / 774XDCDA 2 1/2" - 12"

Obsolete Double Checks:
709, 770, 772, 773, 775 
Parts are available for the obsolete valves.  See price book for kits and list prices.

Other Double Checks listed on Watts website

Reduced Pressure

009 / LF009 1/2"  - 3"
909 / LF909 3/4" - 2"
909 / LF 909 2 1/2" - 10"
919 / LF919 1/4" - 2"
957 / 957RPDA  / LF957RPDA 2 1/2" - 10"
994 / 994RPDA 2 1/2" - 10" 
995 1/2" - 1 1/2" 

Obsolete Reduced Pressure Assemblies:
900, 990, 992, 993, 995 / 995RPDA (3" - 6")
Parts are available for the obsolete valves.  See price book for kits and list prices.

Other Reduced Pressure Assemblies on Watts Website

Pressure Vacuum Breakers / Spill Resistant Vacuum Breakers

800M4 / LF800M4 and 800M4FR / LF800M4FR 1/2" - 2"
LF008PC 3/8" - 2"

Obsolete Pressure Vacuum Breakers:
800, 800M2, 800M3, 008PC 
Parts are available for the obsolete valves.  See price book for kits and list prices.

Other Vacuum Breakers listed on Watts Website

Watts Repair Videos: https://www.youtube.com/playlist?list=PL0B573201A2383193