
20561X289 1" Plastic Yoke
1" Male NPT plastic yoke, compatible with the plastic bypasses used on the following filter/softener control valves:
- WaterSoft Isobar 1 & 2 (red knobs)
- CSI Signature 1 & 2 (red knobs)
- Cygna (red knobs)
- Most residential Fleck models (5600, 2510, 9100, etc)