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

The brushed metallic finish maintains its structural and visual integrity even when exposed to constant salt spray and high humidity

Dual quartz heating elements provide more consistent and powerful warmth than comparable single-element units of similar size

or no longer sealing and retaining the assembly correctly

professional finish that enhances the overall appearance of the unit

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