T-Style Heater 120V 1.5 kw Direct Replacement CAST-201-01-01-04 Air Activated Blower Controller NuWhirl AST-201-01-01-04B Air-Activated Blower Control high‑flow performance your whirlpool deserves

high‑flow performance your whirlpool deserves into today’s wiring standards

Optional unionized connections and check valves are available to simplify piping or future servicing

with real people available to assist from purchase through installation

The result is a quieter

Integrated with the full MicroBubble or hydrotherapy setup—requires compatible accessories and Diverter Valves to complete the dual-mode experience

T-Style Heater 120V 1.5 kw Direct Replacement CAST-201-01-01-04 Air Activated Blower Controller NuWhirl AST-201-01-01-04B Air-Activated Blower Control high‑flow performance your whirlpool deservesUpgrade your whirlpool experience with the T Style Heater 120V 1. 5 kW Direct Replacementthe reliable, high performance heater designed to restore and maintain premium bath warmth. This inline, top of pump installation drops into your spa plumbing quickly, so you can get back to relaxing without lengthy downtime. Powerful, efficient heat when you need it 1. 5 kW at 120V delivers rapid heating and a steady, consistent temperature from the moment you