Watts 0887172 Repair Kit this pilot duty relay is

this pilot duty relay is built for long-term consistency in switching inductive loads

preventing short cycling and mechanical failure

Using this on smaller bowls may lead to improper seating and suction loss

The faceplate is constructed for durability in high-traffic mechanical environments and includes the official Johnson Controls logo for consistent labeling of building automation components

Watts 0887172 Repair Kit this pilot duty relay isThe Watts 0887172 Repair Kit (also identified as RK188A 288A 388T) is a field essential service solution for 3 4" and 1" anti siphon vacuum breakers. Engineered for high performance in both commercial and industrial potable water systems, this kit addresses common failure points caused by mineral deposits and seal fatigue. As a veteran grade backflow preventer repair kit, it is compatible with Watts 188A, 288A, and 388T series, as well as lead free