Pentair Sta-Rite 3/4" FPT Union (38404-4097S) vanguard and this Maytronics Dolphin version

and this Maytronics Dolphin version is designed for DLX4 and DLX5 applications using the 99957017-ASSY reference

Supports proper alignment between motor and pump wet end

this breaker helps support dependable electrical protection and stronger long-term service confidence

repeat use

Pentair Sta-Rite 3/4" FPT Union (38404-4097S) vanguard and this Maytronics Dolphin versionCreate or restore a serviceable threaded connection with this 3 4" FPT union for compatible Sta Rite plumbing applications. Unions make equipment service easier by allowing sections of plumbing or equipment to be disconnected without cutting pipe. This replacement is useful when an existing union body is cracked, cross threaded, leaking, or missing during pump, filter, heater, or accessory work. Correct union sizing helps maintain flow and supports