Raypak Complete Header Kit For Avia 264A & 404A | 019049F

Full OEM Header Replacement: Includes both inlet and outlet header flanges designed specifically for Raypak Avia 264A & 404A models to ensure precise fit, factory sealing, and direct drop-in installation.

Restores Proper Combustion Flow: Ensures correct sealing and water routing across the heater’s heat exchanger, helping sensors read accurately and promoting efficient burner performance.

Built-for Durability Under Heat & Corrosion: Constructed with heat-rated and corrosion-resistant materials to withstand repeated thermal cycling and exposure to water chemistry, preventing premature failure.

Maintains Safety Features & Sensor Integration: Header kit is integral to securing the inlet/outlet sensors and high limit switches properly, preserving the heater’s safety interlocks and regulatory compliance.

Critical for Warranty & Heater Reliability: Replacing damaged headers with this OEM kit helps ensure you’re keeping your heater in specification, which is often required to maintain warranty coverage and long-term reliability.