Hayward Union 1-1/2" MPT - SP1493

Simplify pool equipment plumbing and create a secure threaded connection with the Hayward SP1493 1-1/2" MPT Union — designed for easy installation, maintenance, and equipment removal in pool and spa circulation systems.

This male pipe thread (MPT) union allows quick disconnection of pumps, filters, heaters, and chlorinators without cutting plumbing lines — making service and winterization faster and more efficient.

Ideal for new equipment installs or replacing cracked, leaking, or seized unions.

Key Features & Benefits

• Genuine Hayward 1-1/2" MPT union fitting
• Male pipe thread connection
• Allows quick equipment disconnect
• Leak-resistant threaded seal design
• Durable chemical- and UV-resistant construction
• Ideal for pump and filter plumbing

Common Applications

Used throughout pool and spa plumbing systems, including:

• Pool pump inlet/outlet connections
• Sand and cartridge filter hookups
• Pool heater plumbing lines
• Chlorinator installations
• Equipment pad plumbing assemblies

Compatible with standard 1-1/2" pool plumbing systems.

Common Problems This Union Fixes

Replace your plumbing union if you notice:

• Water leaking at threaded joint
• Cracked or brittle union housing
• Stripped threads
• Union stuck or seized shut
• Equipment difficult to remove for service

A functioning union makes maintenance simple and leak-free.

Product Details

Part Number: SP1493
Product Type: Plumbing Union Connector
Size: 1-1/2 Inch
Connection Type: Male Pipe Thread (MPT)
Application: Pool & Spa Equipment Plumbing
Manufacturer: Hayward

Problem-Solving Performance Tip

Installing unions on both sides of equipment allows you to:

• Remove pumps without cutting pipe
• Service filters quickly
• Winterize equipment faster
• Reduce long-term plumbing labor costs

Unions are one of the most recommended upgrades for service-friendly equipment pads.