This specialized pump union features non-standard dimensions designed for unique spa plumbing configurations. The threaded connection measures 1-1/2" with an internal diameter of approximately 2 3/8", while the street spigot side is engineered to glue into 1-1/2" fittings with an outer diameter of 1 7/8". Please note this differs from the conventional 1-1/2" Threaded x 1-1/2" Slip union commonly installed on most hot tubs and spas.
| Half Union Fitting Complete | Complete Half Union |
| Union Fitting Application | Pump 1-1/2" |
| Plumbing Connection Size "A" | 1-1/2" |
| Plumbing Connection Type "A" | Female Buttress Thread (fbt), Spigot (spg) |
| Plumbing Connection Size "B" | 1-1/2" |
| Plumbing Connection Type "B" | Female Buttress Thread (fbt), Spigot (spg) |
