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and fine debris during normal water circulation
giving service professionals and pool owners a replacement option when the original plate is worn
The low-profile design makes this Waterway unit especially practical where clearance or appearance matters
Useful when the original manifold is cracked or structurally compromised
Two required for complete matched replacement in applicable setups
Balboa 4.0kW [15" x 2"] Flo-Thru Heater (26-58001-K) universalfiltration and fine debris during normalBalboa 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