Balboa 5.5kW 230V Flow Thru Heater G7518 teststrips Curved shape reaches into corners

Curved shape reaches into corners and contours for a more complete clean

and biguanide

Part number: 4525175

preventing freeze damage

let sit for 1 hour

Balboa 5.5kW 230V Flow Thru Heater G7518 teststrips Curved shape reaches into cornersBalboa 5. 5kW 230V Flow Thru Heater G7518 The Balboa G7518 M7 Spa Heater is a 5. 5 kW, 240V stainless steel flo thru heater designed as a direct OEM style replacement for a long list of earlier Balboa M7 heater models, offering powerful performance without mounting studs and with dual built in sensors for modern controls. It uses 2" straight plumbing connections and a 15" housing, making it a go to replacement for many 5. 5 kW M7 equipped spas. Key