Exact replacement Tjoint for round frame pools compatible with Intex Ultra Frame pools (2017 models and newer). Designed to broken or worn OEM parts such as #12427, 26321EH, 28335EH and similar fittings. Key benefits Precise fit: Dshaped cross section matches original Tjoint geometry for easy, interference assembly. Accurate dimensions: 4.5 inches tall, 5 inches wide, with 1.75 inch diameter openings to match original specifications. Wide compatibility: Fits 15 ft, 16 ft, 18 ft, 20 ft, 22 ft, 24 ft and 26 ft round pools and more than 50 compatible models. Common sizes include 15x48 ft, 18x52 ft and 24x52 ft. Durable construction: Reinforced UVresistant plastic resists cracking, corrosion and wear for reliable frame performance. Direct replacement for OEM parts: Works as a replacement for specified part numbers and equivalent connectors for straightforward repairs. What this part does Replaces damaged Tjoints that connect vertical and horizontal frame poles. Restores correct alignment and load distribution of the pool frame. Allows reassembly of sections without modifying poles or other components. Material and performance Reinforced plastic engineered for outdoor use and exposure to sun. Designed to withstand repeated assembly and disassembly while maintaining structural fit. Typical use cases after winter storage: cracked or split joints discovered during spring start up to restore frame integrity. Midseason maintenance: Swap worn connectors to stop wobble or uneven supports and keep the pool stable. Spare parts kit: Keep multiple replacement joints on hand when setting up or relocating a frame pool to avoid downtime. Installation notes Matches original Tjoint specs for seamless installation with existing poles. No special tools required for removal and replacement in most cases; follow pool manufacturer guidance for safe assembly. Compatibility Intended as a direct replacement for Tjoints on compatible round frame pools from 2017 models and newer. Confirm pole dimensions and part numbers where possible before ordering. This replacement Tjoint provides a precise, durable option to restore frame connections and prolong the usable life of compatible round frame pools.