Hayward Control Panel Assembly, ED2 Rev B, for H400 | HAXCPA3403 AquaFlo Precise fit for rectangular pools:

Precise fit for rectangular pools: optimized for a 16 ft by 36 ft footprint

Replacing it ensures proper cartridge positioning and stable operation

Regular replacement supports reliable cleaner operation

Its weatherproof construction ensures it stays durable and functional

and backyard enjoyment long after summer ends

Hayward Control Panel Assembly, ED2 Rev B, for H400 | HAXCPA3403 AquaFlo Precise fit for rectangular pools:What This Part Is Used For The Hayward HAXCPA3403 Control Panel Assembly is designed for H400 ED2 Rev B heaters. It manages heater settings and operational controls. Why This Part Matters When the control panel fails, the heater may not respond or display error codes. Installing a new assembly restores full control and monitoring capability. Proper electronic function is critical for safe heating cycles. Key Features and Specifications Genuine Hayward