Raypak Header Kit For Avia 264A & 404A | 019050F

Raypak’s 019050F Inlet/Outlet Header Kit is a genuine OEM header assembly for Avia 264A and 404A heaters, also fitting NiTek 018044 and 018045. This kit restores the inlet and outlet header connections, ensuring proper sealing and water passage through the heater’s firebox. Built from corrosion-resistant, heat-rated materials, it resists chemical wear and repeated thermal stress. OEM integration ensures that sensors and high-limit switches remain correctly positioned, supporting accurate operation, safety shutoffs, and long-term efficiency.

Highlights

• OEM Header Replacement: Designed to factory standards for Avia 264A and 404A gas heaters, including NiTek variations, for direct drop-in installation.

• Restores Combustion Flow: Keeps water routing consistent across the heat exchanger, enabling accurate sensor performance and efficient combustion cycles.

• Built to Resist Damage: Crafted from heat-rated metals and corrosion-resistant components that handle scale, water chemistry, and thermal cycling.

• Maintains Sensor & Switch Alignment: Ensures critical sensors and high-limit switches remain securely mounted for safe, reliable operation.

• Preserves Warranty & Reliability: Installing this OEM header kit protects factory specifications, extending the heater’s performance and warranty coverage.

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 guidance on the Raypak 019049F Complete Inlet/Outlet Header Kit for Avia 264A and 404A heaters? This section explains installation, common issues, and ordering questions for online buyers who want fast shipping and fitment confidence.

Online Installation Guidance

Installing this full header assembly involves removing both inlet and outlet connections, aligning the new parts, and reinstalling sensors. These are typical online searches related to setup.

Buy online 019049F header kit installation steps for Raypak Avia 404A

Does 019049F ship with gaskets for Avia HD NiTek 264A

Online guide for tightening bolts on Raypak 019049F header

How to install 019049F kit ordered online without professional tools

Troubleshooting After Buying Online

If leaks or faults appear after install, the issues are usually seal alignment, bolt pressure, or missing sensor placement. These questions reflect common concerns.

Ships fast 019049F kit but Avia 404A still leaks what to check

Why does Avia 264A show flow error after online 019049F install

Does 019049F kit need calibration of sensors after shipping

How to stop water bypass in Avia heater after installing 019049F

Ordering Online with Confidence

Confirm your heater model before checkout and use free shipping to avoid delays. These are typical buyer questions about ordering online.

Order online 019049F header kit for Avia HD NiTek 404A with free shipping

How to confirm compatibility of 019049F with Raypak Avia 264A before checkout

Does 019049F kit ship free for Raypak Avia heater parts

Buy online 019049F Raypak inlet/outlet header kit and avoid wrong part returns