Hayward HAXBPK1931 Bypass Kit - Old Style Header

What 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 long-term heater performance.

Key Features and Specifications

• Genuine Hayward bypass kit
• Manufacturer part number: HAXBPK1931
• For H Series heaters with old style header
• Regulates internal water flow
• Supports heat exchanger protection

Installation and Fitment Guidance
Heater should be powered down and isolated before service. Confirm by manufacturer part number before ordering.

About the Hayward Brand
Hayward H Series heaters are widely used in residential and light commercial pools. Their internal bypass systems help maintain efficient heat transfer. Genuine Hayward parts ensure correct fit and safe operation. Service professionals rely on Hayward for dependable heater components.

Common Service Context
Commonly replaced during heater rebuilds or when diagnosing overheating and flow-related performance issues.