Waterway Clearwater Split Nut With Thread Sleeve and O-Rings (505-3020) defilters Older spas often reach a

Older spas often reach a point where replacing one accessory at a time stops making sense

this timer helps support dependable weekly scheduling and better long-term control flexibility

A rebuild kit like this is useful because it helps refresh the working parts of the inlet assembly without requiring a full fitting replacement

Helps restore a cleaner and more secure upper assembly

a combined assembly can make the repair feel cleaner and more complete

Waterway Clearwater Split Nut With Thread Sleeve and O-Rings (505-3020) defilters Older spas often reach aThe Waterway 505 3020 split nut kit includes the split nut, thread sleeve, and O rings for compatible Clearwater system applications. Kits like this are especially useful because they bring together the key connection and sealing parts needed to restore a fitting or assembly point without sourcing each item separately. When a connection begins to leak, loses fit, or shows wear at the sealing surfaces, replacing the complete related hardware set can