What This Part Is Used ForThe Hayward IHXILS1930 Interlock Switch is a safety switch used in compatible Hayward heater systems. It ensures that specific access panels or components are properly positioned before operation.Why This Part MattersIf the interlock switch fails, the heater may not start even when all other systems are functional. It prevents unsafe operation when service panels are open. Replacing a defective switch restores proper safety verification.Key Features and Specifications Manufacturer part number IHXILS1930 Interlock safety switch For compatible Hayward heater models Prevents operation when access is open Electrical safety component Installation and Fitment GuidanceInstallation requires mounting the switch in the designated heater location and reconnecting wiring. Confirm by manufacturer part number before ordering. Disconnect power before servicing.About the Hayward BrandHayward heaters incorporate layered safety controls for reliable combustion and operation. Their replacement switches are built for direct compatibility. Technicians rely on Hayward components to maintain safe heater performance. Genuine parts help prevent unintended operation issues.Common Service ContextThis switch is typically replaced when heaters fail to start after service panel removal. It is often addressed during safety system diagnostics.
