SPTL21 1.5″ / 2″ Half Union MK3 (Post 2001) – Trimline Cartridge Filter

Introduction

Filter system plumbing requires versatile connection components, and the SPTL21 provides dual-size connection capability for Trimline cartridge filter systems manufactured after 2001. As a retailer of pool equipment, I stock this MK3 half union that accommodates both 1.5″ and 2″ plumbing connections while ensuring proper system integration.

Dual Size Compatibility

The half union accommodates both 1.5″ and 2″ plumbing connections, providing installation flexibility for different pipe sizes commonly used in pool filtration systems. This dual compatibility simplifies installation while ensuring proper connection regardless of existing plumbing configuration.

MK3 Design Features

The MK3 designation indicates improved design characteristics over earlier union versions, incorporating enhancements that provide better sealing, durability, and installation features. The updated design ensures optimal performance with post-2001 Trimline filter systems.

Post-2001 Compatibility

Specifically designed for Trimline cartridge filter systems manufactured after 2001, ensuring proper fit and performance with updated system specifications. The post-2001 compatibility addresses design changes implemented in newer filter systems.

Half Union Design

The half union configuration provides secure connection capability while enabling easy disconnection for filter maintenance or system service. The design allows convenient access while maintaining reliable plumbing connection during normal operation.

Technical Specifications

Specification	Details
Product Type	Dual-size half union connector
Pipe Sizes	1.5″ and 2″ compatibility
Model	MK3 design iteration
System Compatibility	Trimline cartridge filters (post-2001)
Function	Plumbing connection and disconnection
Installation	Versatile pipe size accommodation
Category	Trimline Cartridge Filter

Key Benefits

This Trimline MK3 half union provides versatile plumbing connection for both 1.5″ and 2″ pipes in post-2001 filter systems, featuring improved design characteristics and convenient disconnection capability for maintenance procedures. The dual compatibility and MK3 enhancements ensure reliable connection performance while simplifying installation requirements.