Overview Reviews Similar Products Product Description 1Kw 2" x 10" flow thru heater used on Hot Spot spas. 1/8" pressure switch tap. used on the 1998 Hot Spot Product Videos Custom Field Product Reviews Find Similar Products by Category Recommended Quick view Sundance/Del Sol Heater Assembly, Flow Thru, 1kW/4kW $149.95 Add to Cart Quick view Heater Assembly, Low Flow, Watkins, Double Barrel 4.0 kw Generic $369.95 Add to Cart Quick view Discontinued Flo-Thru Heater 1KW, 110V, PS-1 Part # 2-00-0103 $98.97