CMP 21063-150-000 – 1.5" MPT × 1.5" Socket “Hi-Temp” Pool Union with O-Ring
The CMP 21063-150-000 is a high-temperature, self-sealing union fitting commonly used on pool pumps, chlorinators, filters, and other plumbing fixtures. It creates a removable connection that makes maintenance, winterization, and equipment replacement much easier — without cutting or re-gluing PVC lines.
Key Features
- 1.5" male pipe thread (MPT) to 1.5" socket (slip) union — mounts to equipment with threaded 1.5" ports.
- Self-sealing design with a T-gasket O-ring — no Teflon tape or pipe-dope required for a leak-tight seal.
- Hi-Temp pool-rated thermoplastic construction — compatible with chlorinated or salt-water pool environments and resistant to chemical exposure.
- Allows easy removal/re-installation of pumps, filters, chlorinators, or other plumbing components for service, winterization, or upgrades.
Specifications
- Brand: CMP (Custom Molded Products)
- Part Number: 21063-150-000
- Connection Type: 1.5" MPT (male) × 1.5" socket/slip
- Seal: Integrated O-ring (T-gasket style)
- Material: Pool-rated high-temperature thermoplastic (chem- and UV-resistant)
- Usage: Pump inlet/outlet, chlorinator connection, filter plumbing, or other 1.5" threaded equipment ports
When & Why to Use
- When installing or replacing pool equipment (pumps, filters, chlorinators) with 1.5" threaded ports, and you want a union for easy service access.
- When you want to avoid solvent-welded PVC joints for easier maintenance, winterizing, or replacement.
- Whenever you need a secure, leak-resistant connection that can be disconnected without PVC cutting or re-plumbing.
Installation & Maintenance Tips
- Thread the MPT side into the equipment port until snug — no thread tape or sealant needed thanks to the O-ring seal.
- Insert PVC pipe into the socket/slip side and solvent-weld per standard PVC instructions. Allow proper curing time before pressurizing.
- When removing the union (for maintenance or winterization), simply unscrew the nut — the O-ring seal will remain intact for reuse.
- Inspect the O-ring periodically for wear or cracking; replace if damaged to maintain a watertight seal.
