019049F | Raypak Complete Header Kit For Avia 264A & 404A SW-41-063 high limit switch Measures cyanuric acid levels accurately

Measures cyanuric acid levels accurately – Helps maintain proper chlorine stabilization for effective water sanitation

Targets Mustard Algae: Formulated specifically to eliminate yellow and mustard algae quickly

offering a total of 320 square feet per set for outstanding water clarity and efficient debris removal

Convenient Handle for Easy Removal: The added handle makes it simple to remove the basket for quick and easy cleaning

019049F | Raypak Complete Header Kit For Avia 264A & 404A SW-41-063 high limit switch Measures cyanuric acid levels accuratelyThe 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 heaters firebox. When worn, cracked, or corroded headers can lead to leaks, faulty sensor readings, or inefficient combustionthis kit helps maintain operational