018961F | Raypak Avia 404A Combustion Air Blower 550-4380 grid support Enhanced Stability: Serves as an

Enhanced Stability: Serves as an integral part of the Whisperflo pump system

Improves Water Flow and Prevents Leaks: Ensures reliable sealing to support optimal pool water circulation and filtration efficiency

It's an investment in your pump's long-term health

simplifying installation and reducing the need for extensive modifications to your existing system

018961F | Raypak Avia 404A Combustion Air Blower 550-4380 grid support Enhanced Stability: Serves as anThe Raypak 018961F Combustion Air Blower Kit (also called Blower Comb Air) is an OEM replacement blower assembly for Raypak Avia 264A 404A heaters. This kit ensures proper forced air ventilation into the firebox to support safe combustion even under challenging venting conditions. By reliably feeding combustion air, it helps maintain flame stability, prevents flue gas recirculation, and keeps the heater operating efficiently and safely. The blower is