Hot Tub Compatible With Watkins Spas This heater was used on the 1993-1994 Hot Spot Z model (round spa). This heater is attached to the rear of the control box and is a flow through type heater. It's secured to the rear of the control box using two bolts and attached to the spa's plumbing using compression couplings at either end.

This is for 1 Watkins Spa Heater

Round	Z-330001 to Z-449999	1993-94

Technical Specs: 115 Volt AC, 1.0 kW, 9 Amps

Hot Tub Compatible With Watkins Spas