HotSpring Spa Plumbing Adapter Kit for Circ Pump. This is a plumbing adapter kit for the SilentFlo E5 Circulation pump for pre-1990 HotSpring Spas. This kit is used to convert 1/2" plumbing to 3/4". This kit contains all the fittings and tubings for the 1/2" to 3/4" conversion.
