Balboa 4.0kW [15" x 2"] Flo-Thru Heater (26-58001-K) universalfiltration Two required for complete matched

Two required for complete matched replacement in applicable setups

Tubing plays an important role in routing water or chemical solution through supported feeder systems

The low-profile design makes this Waterway unit especially practical where clearance or appearance matters

or remote communication issues

and fine debris during normal water circulation

Balboa 4.0kW [15" x 2"] Flo-Thru Heater (26-58001-K) universalfiltration Two required for complete matchedBalboa 15" 4. 0kW Flo Thru Heater (26 58001 K) is a replacement heater assembly intended for compatible spa systems using a conventional 15" flow through heating layout. Its 4. 0kW rating is a key operating specification and should be matched with the original heater, control system, and available electrical service before installation. When a spa no longer heats correctly or struggles to maintain temperature, a failed heater assembly may be part of