Aladdin Equipment Company Inc

Aladdin O-440 O-Ring

SKU: O-440-0 UPC: 601402125249
Regular price $3.95
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Quick Facts
Aladdin O-440-0
Valve Cover / Multi-Use O-Ring
Replaces Jandy 1132
Jandy / Pentair Valve Applications
Used in Aladdin O-515KIT
Key Benefits +

Aladdin O-440-0 is a multi-use valve cover O-ring with verified Jandy 1132, 1298, R0552200 and R0552400 references plus Pentair/Compool OR-6, Polaris E-31, Jacuzzi 47-0248-56-R and Waterway 805-0151B. It is also the valve cover O-ring used in Aladdin O-515KIT with O-158 valve-stem O-rings.

How to Use +
1 Shut the circulation system off and relieve pressure before opening the valve or related component. Remove the old O-ring, clean the cover groove and sealing surface, and inspect for cracks, debris or damage. Install O-440-0 evenly without twisting, pinching or overstretching it. Reassemble according to the equipment manufacturer’s service instructions and verify the cover seals correctly after startup.
Specifications +

Brand: Aladdin Equipment Company Aladdin Part Number: O-440-0 UPC / Barcode: 601402125249 Product Type: Valve cover / multi-use O-ring Common Replacement Size: #151 Published Dimension: Approx. 3 in. ID x 3/32 in. cross-section Verified Jandy References: 1132, 1298, R0552200, R0552400 Additional References: Pentair/Compool OR-6; Polaris E-31; Jacuzzi 47-0248-56-R; Waterway 805-0151B Verified Kit Application: Valve cover O-ring in Aladdin O-515KIT OEM Status: Aftermarket Aladdin replacement part

Buy with Confidence from Benchmark Pool Supply +

Benchmark Pool Supply helps customers match small pool-equipment seals by exact OEM reference and service-kit position. O-440-0 is specifically verified as a valve cover and multi-use O-ring across several brands, with strong Jandy fitment references and direct use in Aladdin’s O-515KIT.

Buy with Confidence from Benchmark Pool Supply

  • Trusted pool professionals
  • 100% Genuine Manufacturer Parts Guaranteed
  • Fast Shipping
30-Day Hassle-Free Returns
Expert Product Support
Full Product Description +

Key Fit

  • O-440 Size Specification – Designed for pool and spa equipment requiring O-440 sizing

  • OEM-Quality Aladdin O-Ring – Manufactured by Aladdin for reliable fit and sealing performance

  • Multi-Equipment Compatibility – Used in pumps, filters, valves, and union connections

  • Prevents Air & Water Leaks – Maintains a watertight seal to protect system pressure

  • Restores Proper Operation – Helps prevent priming issues and performance loss caused by worn seals

  • Direct Replacement Seal – Installs directly into existing O-ring grooves with no modification

  • Replacement Part Only – Intended to replace worn or damaged O-rings, not alter equipment design

The Aladdin O-440 O-Ring is a precision-molded sealing component designed for use in pool and spa equipment where a dependable, watertight seal is required. Manufactured from durable, pool-rated rubber, this O-ring helps prevent water leaks, air intrusion, and pressure loss within circulation, filtration, and plumbing systems.

O-rings such as the O-440 are commonly used in pumps, filters, valves, unions, and other serviceable connections. Continuous exposure to chlorinated water, temperature changes, pressure, and routine maintenance can cause O-rings to flatten, crack, or lose elasticity over time. When sealing performance is compromised, leaks can develop even if fittings appear properly tightened.

Replacing worn O-rings is a simple but essential maintenance step that helps protect equipment, maintain system efficiency, and prevent minor leaks from escalating into larger mechanical issues.


Why the O-Ring Matters

O-rings play a critical role in system sealing and reliability.

Why this matters:

  • Prevents water leaks at equipment and plumbing connections

  • Maintains proper internal pressure and circulation flow

  • Reduces air intrusion that can cause pump priming issues

  • Helps protect pumps, filters, and motors from water damage

  • Supports long-term performance of pool and spa systems

Using the correct O-ring size ensures proper compression and consistent sealing without damaging housings or fittings.


Designed for Pool & Spa Equipment Applications

The Aladdin O-440 O-Ring is manufactured to meet the dimensional and material standards required for pool and spa environments. Its rubber compound is formulated to withstand continuous exposure to treated water, temperature fluctuations, and normal operating pressures without premature deterioration.

Aladdin is a trusted manufacturer of pool sealing components, known for accurate sizing and dependable material quality. Using the correct O-ring ensures proper fit and reliable performance during routine maintenance and equipment service.

Always confirm size and equipment compatibility before installation.


Easy, Service-Friendly Installation

Replacing an O-ring is a straightforward repair that can typically be completed during routine maintenance or equipment service. The O-440 installs easily once the old O-ring is removed and the sealing surface is cleaned.

For best results, apply a thin layer of pool-safe silicone lubricant before installation. This helps the O-ring seat properly, reduces friction during assembly, and extends service life. Inspect sealing surfaces for debris, cracks, or damage before installing the new O-ring.


Product Specifications

Specification Details
Product Type Pool & spa O-ring
Brand Aladdin
Model O-440
Application Pool & spa equipment sealing
Material Pool-rated rubber
Use Leak prevention at equipment connections
Condition New
UPC 601402125249

Buy with Confidence from Benchmark Pool Supply

When you purchase the Aladdin O-440 O-Ring from Benchmark Pool Supply, you’re getting a high-quality replacement component trusted by pool service professionals. We stock essential sealing parts to help keep pool and spa systems operating efficiently and leak-free.

Benchmark Pool Supply is your reliable source for professional-grade pool replacement parts and maintenance supplies.

Aladdin O-440 O-Ring
Regular price $3.95

Frequently Asked Questions

What is Aladdin O-440-0 used for?

What is Aladdin O-440-0 used for?

It is a multi-use valve cover and lid O-ring used in verified Jandy, Pentair/Compool, Polaris, Jacuzzi and Waterway applications.
Is O-440 used in the Aladdin O-515KIT?

Is O-440 used in the Aladdin O-515KIT?

Yes. O-515KIT contains one O-440 valve cover O-ring and two O-158 valve stem O-rings for compatible Jandy/Pentair 2-way and 3-way valves.
What size is O-440-0?

What size is O-440-0?

Published aftermarket references identify it as a #151 O-ring, approximately 3 inches inside diameter with a 3/32-inch cross-section. Confirm fitment by OEM part number.
Does O-440-0 fit Polaris back-up valves?

Does O-440-0 fit Polaris back-up valves?

Yes. Aladdin lists Polaris E-31 as a verified O-440-0 cross-reference and identifies it as a back-up valve O-ring application for 1986–1991 equipment.