Pentair Heat Exchanger Kit, for 250,000 BTU Heaters | 474059 category_fireplace-inserts What this part does: It

What this part does: It provides the bezel trim and labeled decal for the heater millivolt control section

Replacement or maintenance context: Replacement for manual or intermittent chemical dosing with a fixed-rate pump

Operating at 115V and 9

Installers typically inspect internal laterals and seals before reassembly

or no longer sealing and retaining the assembly correctly

Pentair Heat Exchanger Kit, for 250,000 BTU Heaters | 474059 category_fireplace-inserts What this part does: ItWhat This Part Is Used For Pentair 474059 Kit Heat Exchanger 250K Heaters, Mfg is a replacement heat exchanger kit for compatible 250K Pentair heater models. It facilitates heat transfer between combustion gases and pool water. Why This Part Matters A compromised heat exchanger can reduce heating efficiency or cause water leakage. Replacing it restores proper thermal performance. Reliable heat exchange supports stable pool temperature. Key Features