Pentair Rainbow DSF Gray Faceplate Assembly (R172555DG) slicevalves A union fitting is one

A union fitting is one of the most useful service points in a spa plumbing system

A valve like this is useful because it gives the line a dependable isolation point while the 3-piece construction improves the practicality of future service compared with more basic valve bodies

It is a useful replacement when the existing connector feels loose

Introduces air into water flow

The Raypak CuNi and metal tube bundle is designed for compatible 266A and 267A heater applications where the supported heat-transfer assembly needs replacement

Pentair Rainbow DSF Gray Faceplate Assembly (R172555DG) slicevalves A union fitting is oneThis faceplate is a practical repair item for maintaining the DSF assembly. It helps restore the intended fit, function, or serviceability of the connected pool and spa equipment assembly. Use it to support dependable alignment, easier reassembly, and cleaner service work on the related skimmer parts connection. Fits compatible DSF equipment applications Supports the related skimmer parts repair area Helps keep maintenance focused and efficient Verify