Balboa BP 4.0kW [15" x 2"] Titanium FloThru Spa Heater [w/PnC] (G7432) gshop This replacement is especially valuable

This replacement is especially valuable when the original switch no longer returns reliably

If the original impeller is worn

and this Coates 1

make alignment easier

Balboa BP 4.0kW [15" x 2"] Titanium FloThru Spa Heater [w/PnC] (G7432) gshop This replacement is especially valuableWhen your spa heating starts to feel unreliable, the issue is often not just about temperature. It is about whether the system can heat smoothly, consistently, and without becoming the weak point in the entire setup. This Balboa BP FloThru Heater is built for compatible 230 volt systems needing 4. 0kW output, with a titanium element that adds a meaningful durability advantage in treated water environments. The FloThru design helps water pass