Hayward Rain Guard Assembly Kit, for H400FD Heater | FDXLRGK1401 MHP A failed flow switch can

A failed flow switch can prevent chlorine production or allow operation without adequate circulation

000 BTU setting for peak winter performance and a 34

Small sealing components play a major role in overall equipment performance

Integrates into assemblies for adjustable flow control during installation

It fits inside the Lite2LJ heater assembly to trigger ignition during normal operation

Hayward Rain Guard Assembly Kit, for H400FD Heater | FDXLRGK1401 MHP A failed flow switch canWhat This Part Is Used For The Hayward FDXLRGK1401 Rain Guard Assembly Kit is designed for H400FD heaters. It helps shield internal components from rain and weather exposure. Why This Part Matters Outdoor heaters are vulnerable to moisture intrusion, which can lead to corrosion or ignition issues. Installing a proper rain guard protects sensitive internal parts and extends heater life. It supports reliable operation in exposed installations. Key