018961F | Raypak Avia 404A Combustion Air Blower 550-4380 grid support delivering an estimated flow rate

delivering an estimated flow rate of 1

(2) Drain Plugs- 071131

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

(1) Pentair Connector

To prevent stains:

018961F | Raypak Avia 404A Combustion Air Blower 550-4380 grid support delivering an estimated flow rateThe 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