Replacement Part for Balboa 58117 M7 Hot Tub Spa Heater Element Assembly w/Sensors 4.0kW @ 240V / 1.0kW @ 120V, 58104, 58120 Compatible with Series M7 ?Wide Application?Directly replace part for Balboa 58117. Specifically designed to fit seamlessly with the majority of Balboa VS, EL, TS, GS, and BP Series control systems. Match number 58104, 58120, 55033-01, 58106, 58117, 55033-02, 58056, 58109, 55035-01, 55035, 58064, C2400-0807-TPS, 58120, 58148, 26-0540-5S-KS, 58032, 58281, 58114, 55033, 55625, G7410, 53408. Please refer to description below for searching more compatible models. ?Reliable Performance?Experience uninterrupted relaxation with our heater, which effectively addresses the common issue of circuit breakers tripping due to corrosion in aging heating elements. By replacing your outdated or malfunctioning heater with this unit, you'll enjoy a safer, more dependable spa experience. ?Superior Quality Craftsmanship?Crafted from premium stainless steel, this heater combines durability with robustness, standing up to the rigors of daily use and the corrosive environment of hot tubs and spas. 2 Tail pieces are coated with black finish, anti-corrosion and reliable use. Meet or exceed OEM specification ?Product Dimension?Manifold Length: 15", Manifold Diameter: 2", Kilowatt Rating: 4.0KW / 1.0KW, Voltage Rating: 240V / 120V