Hayward Bypass Kit, Old Style Header | HAXBPK1931 Patio Furniture The Napoleon ZAX42CH Charcoal Zen

The Napoleon ZAX42CH Charcoal Zen Decorative Front is the ultimate designer upgrade for the Elevation X 42 series fireplace

Using mismatched internal components can lead to leaks or reduced cleaning efficiency

Hayward manufactures automatic pool cleaners and internal drive components used in residential systems

cascading spill along the pool edge

Hayward Bypass Kit, Old Style Header | HAXBPK1931 Patio Furniture The Napoleon ZAX42CH Charcoal ZenWhat This Part Is Used For The Hayward HAXBPK1931 Bypass Kit is used in H Series heaters with an old style header. It regulates water flow through the heater to maintain proper operating temperature. Why This Part Matters A worn or damaged bypass can cause overheating, scale buildup, or reduced heater efficiency. Replacing the bypass kit helps maintain correct internal water flow and protects the heat exchanger. Proper flow control is critical for