Zodiac/Jandy NeverLube Backwash Valve Diverter Kit (R0552300) cfrfilters A bumper is useful because

A bumper is useful because it helps cushion contact with pool walls and surfaces

clean trim appearance with a more polished metal-accented look while renewing the working jet insert

and this Furnas unit is designed for 120 volt control and a 40 amp rating using the CR453AD3ABB reference

Useful when the original switch no longer sequences correctly

Zodiac/Jandy NeverLube Backwash Valve Diverter Kit (R0552300) cfrfilters A bumper is useful becauseThe Zodiac and Jandy NeverLube backwash valve diverter kit is designed for compatible valve applications where the internal diverter section of the backwash valve needs replacement. A kit like this is useful because it provides a more coordinated repair option when restoring one of the main internal flow routing components of the valve. This replacement is especially useful when the original diverter is worn, damaged, sticking, or no longer switching