Aladdin O-158-0 Valve Stem O-Ring – Jandy 1307 / Pentair 192039

Key Fit

• O-158 Size Specification – Designed for pool and spa equipment requiring O-158 sizing

• OEM-Quality Aladdin O-Ring – Manufactured by Aladdin for proper 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 Reliable 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-158 O-Ring is a precision-molded sealing component designed for use in pool and spa equipment where a reliable, watertight seal is required. Manufactured from durable, pool-rated rubber, this O-ring helps prevent water leaks, air intrusion, and pressure loss throughout circulation, filtration, and plumbing systems.

O-rings like the O-158 are commonly used in pumps, filters, valves, unions, and other serviceable connections. Over time, constant exposure to chlorinated water, temperature fluctuations, operating pressure, and routine maintenance can cause O-rings to flatten, harden, crack, or lose elasticity. When this happens, leaks may occur even when fittings appear properly tightened.

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

Why the O-Ring Matters

O-rings play a critical role in system sealing and equipment 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 stressing housings or fittings.

Designed for Pool & Spa Equipment Applications

The Aladdin O-158 O-Ring is manufactured to meet OEM dimensional and material standards required for pool and spa environments. Its rubber compound is formulated to withstand continuous exposure to treated water, temperature changes, 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 verify 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-158 installs easily once the old O-ring is removed and the sealing surface is thoroughly 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 to ensure a proper seal.

Product Specifications

Buy with Confidence from Benchmark Pool Supply

When you purchase the Aladdin O-158 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.