The Raypak 019050F Inlet-Outlet Header Kit is a factory OEM header replacement designed specifically for Avia 264A and 404A pool and spa heaters. This essential kit replaces the heater’s inlet and outlet headers, restoring proper flow, sealing, and sensor alignment. With worn or corroded headers the heater can suffer leaks, inaccurate readings, or compromised efficiency—this header kit ensures correct water routing, proper valve and sensor operation, and helps maintain the heater’s safe, efficient performance.
Highlights
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Authentic OEM Fit for Avia 264A & 404A: Designed to precisely match original Raypak components in these heater models, ensuring seamless drop-in installation and correct alignment with sensors and plumbing.
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Restores Proper Flow & Sealing: Replaces deteriorated headers to maintain tight seals and consistent water passage, which helps prevent leaks and maintains performance across heating cycles.
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Built for Heat & Corrosion Resistance: Crafted with heat-rated metal and corrosion-resistant materials to withstand thermal stress, water chemistry, and scale build-up—protecting heater longevity.
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Critical for Safety & Sensor Accuracy: Ensures that inlet/outlet sensors and high-limit switches are properly mounted and sealed, supporting accurate readings and safe operation.
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Essential Maintenance Upgrade: Replacing damaged or compromised headers with this kit helps prevent system failures, supports warranty compliance, and extends heater life.
Compatibility
- Raypak Avia 264A Heater Model 018032
- Raypak Avia 404A Heater Model 018033
- Raypak Avia HD NiTek 264A Heater Model 018044
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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
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Questions & Answers
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