CMP 21053-150-000 1-1/2 Inch Socket x Socket Flush Union
The CMP 21053-150-000 is a flush union designed for compatible pool and spa plumbing applications. It is commonly identified by CMP as a 1-1/2 inch socket x socket flush union, and seller listings also describe it as a 1-1/2 inch slip x 2 inch spigot flush union, making it a practical low-profile union for equipment connections that may need future service or removal.
Features
- Genuine CMP plumbing union
- Part number: 21053-150-000
- Flush union design
- Commonly listed by CMP as 1-1/2 inch socket x socket
- Often also described by sellers as 1-1/2 inch slip x 2 inch spigot
- White PVC construction
- Low-profile union style
- Common compare-to part: Hayward SP14952S
- Designed for compatible pool and spa plumbing systems
- Helps simplify future plumbing service and equipment removal
Applications
This flush union is used in compatible pool and spa plumbing systems where a compact union connection is needed for serviceable equipment connections. It is commonly installed near pumps, filters, heaters, and other circulation components where disconnecting the plumbing without cutting pipe is important.
Important Notes
- Verify pipe size and union compatibility before ordering
- CMP identifies this fitting as a 1-1/2 inch socket x socket flush union
- Some seller listings also describe the tail side as fitting 2 inch spigot plumbing
- Inspect O-rings and sealing surfaces during installation
- Do not overtighten the union nut to help avoid damage
Related Products
Maintenance Tips
- Inspect union O-rings regularly for wear, flattening, or cracking
- Keep sealing surfaces clean when disconnecting and reconnecting plumbing
- Replace worn O-rings promptly to help prevent leaks
- Check nearby plumbing for stress or misalignment during routine service
