Hayward Key O-Ring Set for SelectaFlo Valve Assembly SP0740DE | SPX0704HA
Hayward

Hayward Key O-Ring Set for SelectaFlo Valve Assembly SP0740DE | SPX0704HA

$13.99
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$9.99 flat shipping on orders under $100.
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SKU:
SPX0704HA

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About This Item

The Hayward Key O-Ring Set (SPX0704HA) is the OEM replacement O-ring set for the SelectaFlo Valve Assembly, keeping the valve's key mechanism sealed and leak-free.

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

This O-ring set seals the key assembly within the SelectaFlo valve, preventing water bypass and maintaining proper directional flow control through the valve body. Replacing worn or cracked O-rings restores a tight, leak-free seal at the key interface.

Specifications

Hayward Part Number SPX0704HA
UPC 610377034739
Channel Open Line

Fits Into

Brand Equipment Line Model / Part Number
Hayward SelectaFlo Valve Assembly – 2" SKT (Open Line) SP0740DE

Compatibility is based on Hayward parts documentation and available OEM records. This is not an exhaustive list. For certainty, verify the part number in your equipment's manual or on the original part itself before ordering.

Poolaroo Pro Tip

When servicing the SelectaFlo valve key assembly, inspect the O-rings for compression set, cracking, or surface deformation before reassembly. Even if the seal appears visually intact, O-rings that have taken a permanent set will not seat correctly under pressure. Apply a silicone-based lubricant — never petroleum-based products, which degrade rubber compounds — before reinstalling. Find a compatible lubricant in our Pool Plumbing Lubricants collection.

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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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