Hayward Bypass Kit, Old Style Header | HAXBPK1931 Patio Furniture or backyard water feature with

or backyard water feature with the PAL Lighting EvenFlow 1' Waterblade Light

Their drain components are built for secure installation

and DIY setups that require reliable replenishment of total chlorine reagents

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

Hayward Bypass Kit, Old Style Header | HAXBPK1931 Patio Furniture or backyard water feature withWhat 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