Pentair Pumps/Filters 2" Slip x 2" FBT Half Union, Qty 2 (42001-0402Z) defilters That makes the installation feel

That makes the installation feel more orderly

Replacement main case for compatible Hayward TigerShark robotic cleaners

It is used for replacing the heat transfer core in the heater

Helps close and secure the feeder service opening

or being upgraded during service

Pentair Pumps/Filters 2" Slip x 2" FBT Half Union, Qty 2 (42001-0402Z) defilters That makes the installation feelPentair Half Union Pkg, Qty 2, Pentair Pumps Filters, 2"S x 2"FBT (42001 0402Z) is a replacement union or union related fitting for compatible Pentair pool and spa plumbing applications. Unions make equipment easier to install, service, and remove while maintaining a secure plumbing connection. Use this part when a union, adapter, nut, or related connection is cracked, leaking, stripped, or being replaced during plumbing service. Confirm thread style,