Hayward Union Adapter Assembly Converts any standard union thread to the larger Hayward union thread. This allows the installation of any pump wet end with standard union threads into a Hayward application
Union Fitting Application
Pump
First Plumbing Connection Size
1-1/2"
First Plumbing Connection Type
Female Buttress Thread (fbt), Male Hayward Buttress Thread (mhbt)
Second Plumbing Connection Size
1-1/2"
Second Plumbing Connection Type
Female Buttress Thread (fbt), Male Hayward Buttress Thread (mhbt)
