Speck Pumps A91 Pump Union NPT [w/o Adapter] (2500300913) mermade even everyday spa use can

even everyday spa use can become more frustrating than it should be

Waterco old style OEM pump basket

and this Maytronics Dolphin magenta version uses the 6101640 reference

Helps restore central control and coordination of spa functions

Designed for compatible equipment applications

Speck Pumps A91 Pump Union NPT [w/o Adapter] (2500300913) mermade even everyday spa use canThe Speck Pumps A91 Pump Union NPT without Adapter (2500300913) is a replacement union fitting for compatible Speck pump installations that use an NPT style connection. This part is used where the union connection needs to be restored, replaced, or rebuilt without including the adapter. It can help address issues caused by cracked fittings, worn threads, missing parts, or leaking pump connections. A properly functioning pump union is essential for