Restore watertight heater connections with the Swimables SW-41-188 Half Union Adapter Kit, an exacting substitute for the Pentair PKG188Z. Purpose-built for MasterTemp and Sta-Rite Max-E-Therm heating units, this kit bridges 2_ slip unions to threaded or union-style ports, providing solid, drip-free plumbing joints. Produced to factory-grade tolerances from robust, pool-safe thermoplastics, it re-establishes tight pressure-rated seals and streamlines heater servicing without restricting water throughput.

Key Benefits

• Factory-Spec PKG188Z Substitute: Manufactured to replicate the original adapter kit's dimensions and engineering, guaranteeing an exact match for MasterTemp, Max-E-Therm, and Sta-Rite heating systems.
• Secure 2_ Half-Union Interface: Bridges 2_ slip unions to threaded or union-compatible ports, delivering dependable, drip-free plumbing joints under operating pressure.
• Tough Pool-Safe Thermoplastics: Precision-molded from chemically resistant polymers that stand up to sanitizer exposure and demanding aquatic conditions season after season.
• Critical for Heater Plumbing Integrity: Preserves correct water flow and pressure through heater circuits, which is vital for safe, efficient heat exchange and system protection.
• Rapid, Low-Tool Replacement: Engineered for swift swap-outs during heater service calls, cutting downtime and simplifying the entire maintenance workflow.

What's Included

• Union Nuts
• Couplers / Adapters
• O-Rings

Compatibility

• Pentair MasterTemp Heaters
• Pentair Sta-Rite Max-E-Therm Heaters

Specifications

• Brand: Swimables
• Part Number: SW-41-188

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