Hayward O-Ring for Econo-Unions SP1491 SP1492 SP1493 | SPX1491B
Hayward

Hayward O-Ring for Econo-Unions SP1491 SP1492 SP1493 | SPX1491B

$5.99
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$9.99 flat shipping on orders under $100.
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SKU:
SPX1491B

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About This Item

The Hayward O-Ring (SPX1491B) is the OEM replacement O-ring for Hayward SP1491, SP1492, and SP1493 Econo-Union fittings.

IMPORTANT: LUBRICATION REQUIRED — SOLD SEPARATELY
Always lubricate this O-ring with a silicone-based lubricant before installation. Browse our Pool Plumbing Lubricants for a compatible silicone lubricant.

This O-ring seals the union body against the union nut on Hayward Econo-Union fittings, maintaining a watertight seal at the threaded joint.

Specifications

Hayward Part Number SPX1491B
UPC 610377039130

Poolaroo Pro Tip

Hayward designates this seal as O-Ring 129, a size used across several Econo-Union and fitting assemblies. Before ordering, confirm the model number stamped on your union body against SP1491, SP1492, or SP1493 to ensure correct fit, and always lubricate the O-ring with a silicone-based lubricant from our Pool Plumbing Lubricants collection before installation.

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Hayward

About Hayward

Founded in 1925, Hayward has evolved from a small specialty metal shop in Brooklyn into a global powerhouse in residential and commercial pool equipment. For nearly a century, Hayward has pioneered advancements that revolutionized the swimming pool industry—most notably by transitioning pool equipment from heavy, rust-prone metals to durable, corrosion-resistant thermoplastics in the 1960s.

Today, Hayward is synonymous with reliable, energy-efficient performance and cutting-edge technology. From the legendary Super Pump to their modern Omni smart pool automation platforms, Hayward builds equipment designed to give pool owners total control and peace of mind. By focusing on sustainability, category-leading energy efficiency, and seamless smart home integration, Hayward empowers DIY homeowners to spend less time maintaining their water and more time enjoying their backyard oasis.

Why We Trust Hayward
A Century of Innovation: Over 100 years of engineering excellence, leading the industry from early metal valves to modern smart pool technology.
Unmatched Energy Efficiency: Pioneers of ultra-high efficiency variable-speed pumps and heating systems, saving pool owners money on monthly energy bills.
Total Smart Control: Creators of the Omni automation platform, giving users seamless, wireless control of pool chemistry, lighting, and temperature from their smartphones.
American Manufacturing Focus: The vast majority of Hayward products and components are proudly manufactured in United States facilities, ensuring strict quality control and dependable performance.

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