Pentair Heat Exchanger Kit, for 400,000 BTU Heaters | 474061 Dimension One The Napoleon ZAX36BK Black Zen

The Napoleon ZAX36BK Black Zen Fireplace Front provides a sleek

Simple to install and maintain

The Napoleon W175-0646 Natural Gas to Propane (LP) Conversion Kit is engineered to safely convert specific Napoleon gas fireplaces from natural gas operation to propane fuel

Operation: Natural Gas

Disposable filter bag set

Pentair Heat Exchanger Kit, for 400,000 BTU Heaters | 474061 Dimension One The Napoleon ZAX36BK Black ZenWhat This Part Is Used For Pentair 474061 Kit Heat Exchanger 400K Heaters, Mfg is a replacement heat exchanger kit for compatible 400K Pentair heater models. It transfers heat from combustion gases into pool water. Why This Part Matters A failing heat exchanger can reduce heating efficiency or cause internal water leaks. Replacing it restores proper thermal performance. Stable heat transfer supports consistent pool temperature. Key Features and