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

The Raypak 019049F Complete Inlet/Outlet Header Kit is a genuine OEM replacement designed for Avia 264A and 404A pool & spa heaters. This full header assembly replaces the existing inlet and outlet headers to restore proper water flow and sealing between the plumbing connections and the heater’s firebox. When worn, cracked, or corroded headers can lead to leaks, faulty sensor readings, or inefficient combustion—this kit helps maintain operational safety, thermal performance, and warranty compliance.

Highlights

• 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.

Compatibility

• Raypak Avia 264A Heater Model 018032
• Raypak Avia 404A Heater Model 018033
• Raypak Avia HD NiTek 264A Heater Model 018044
• Raypak Avia HD NiTek 404A Heater Model 018045
  

Additional Info

Need help with the Raypak 019049F Complete Inlet/Outlet Header Kit for Avia 264A and 404A heaters? This section covers install basics, common troubleshooting searches, and store availability questions so you can keep your heater running without leaks or flow errors.

Installing the 019049F Header Kit

This header kit replaces the full inlet and outlet assembly on Raypak Avia heaters. Proper installation involves aligning gaskets, tightening bolts evenly, and checking all sensor placements before restoring water flow.

How to install Raypak 019049F header kit on Avia 404A heater

Step by step replacing both inlet and outlet headers with 019049F

Do you need new gaskets when installing 019049F kit

How to tighten header bolts on Raypak Avia 264A for leak prevention

Troubleshooting Header Leaks and Fitment Issues

Leaks or sensor faults after replacement can usually be traced to misaligned seals, debris at connection points, or overtightened bolts. These questions reflect common scenarios after replacement.

Avia 264A still leaks after 019049F header kit install what to check

Sensor not reading correctly after installing Raypak 019049F

Why do gaskets shift during 019049F header installation

Does header misalignment cause flow faults on Raypak Avia heaters

Local Store Availability and Help

Bring in your old header or part number to confirm fit before purchase. In-store staff can match model numbers and help verify you’re picking up the correct Avia header kit.

Buy in store 019049F Raypak header kit for Avia 264A compatibility

Walk in and check 019049F gasket alignment with counter staff

Available locally 019049F inlet/outlet header kit for Avia 404A

Can I confirm Raypak 019049F fitment at the parts counter