019049F | Raypak Complete Header Kit For Avia 264A & 404A SW-41-063 high limit switch helping prevent costly leaks and

helping prevent costly leaks and flow disruptions

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

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

this genuine Pentair nut withstands chemical exposure and repeated maintenance cycles

019049F | Raypak Complete Header Kit For Avia 264A & 404A SW-41-063 high limit switch helping prevent costly leaks andThe 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