Balboa M7 4.0 kW [15" x 2"] Spa Heater Assembly (58148) heaterparts Proper circulation and pressure require

Proper circulation and pressure require components built for accuracy and durability

Balanced flow components ensure even distribution across zones

Durable build

which is why proper replacement matters so much

Balboa M7 4.0 kW [15" x 2"] Spa Heater Assembly (58148) heaterparts Proper circulation and pressure requireA correctly matched heater assembly can make a spa feel dependable again very quickly, and this Balboa M7 15 inch 4. 0 kW Spa Heater Assembly is designed for compatible 2 inch applications where the original heater is no longer providing the stable performance the system needs. When a heater starts to age out, owners often feel the difference in the spa long before they want to admit it is time for replacement. The 2 inch format helps define the