Speck Pumps A91 Pump Union NPT [w/o Adapter] (2500300913) mermade Helps restore central control and

Helps restore central control and coordination of spa functions

Waterco old style OEM pump basket

and this Maytronics Dolphin magenta version uses the 6101640 reference

OEM Hayward snap-on skimmer faceplate cover

Valve cover for compatible Jacuzzi DVK7 valve applications

Speck Pumps A91 Pump Union NPT [w/o Adapter] (2500300913) mermade Helps restore central control andThe 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