The following directions provide information on removing the stream breaker, or aerator, for the Katun bathroom faucet, models K-R78037-4D-**, K-R78038-4D-**, and K-R78039-4D-**. The stream breaker is the internal “grid” piece at the end of the faucet spout.
Removal of the stream breaker may be necessary to clean any hard water build up. Clean the stream breaker with a 50/50 solution of white vinegar and warm water.
Hex key wrench
Small needle nose pliers or tweezers
1. Use the hex key tool to remove the set screw (Fig. 1).
2. Use the needle nose pliers or tweezers to grip in between the “grid” squares of the stream breaker and pull straight down/out (Fig. 2). Optional for Centerset or Single-Control faucets: use Stream Breaker Removal Tool, part number 1118166 (sold separately).
3. The stream breaker includes two plastic screens that sit up in the spout body and should come out when the stream breaker comes out . If they don't come out, use the needle nose pliers or tweezers to remove them (Fig. 3).
4. Clean the stream breaker with a 50/50 solution of white vinegar and warm water.
5. To reinstall, align the stream breaker hole with the set screw and tighten the set screw until flush with the spout (Fig. 4).
Stream Breaker Part Numbers:
- Centerset Stream Breaker Kit – part number 1325506
- Single-handle Stream Breaker Kit - part number 1325506
- Widespread Stream Breaker Kit – part number 1307518
- Stream Breaker Removal Tool for use with Centerset and Single-control faucets only - part number 1118166 (sold separately)