Hayward Universal Thermistor (FDXLTER1930) leviton A properly selected Herga replacement

A properly selected Herga replacement helps maintain reliable pneumatic actuation in compatible air-button applications

Matching the square footage

4-5/16" OD impeller configuration

A pump like this is useful because it restores the full operating unit when the original bath pump can no longer be depended on and a complete replacement is the more practical service path

Replacement lateral assembly with standpipe for Hayward S220T filters

Hayward Universal Thermistor (FDXLTER1930) leviton A properly selected Herga replacementDesigned for precise service work on compatible Hayward heating systems, Hayward Universal Thermistor helps restore the fit, sensing, flow, or combustion support needed for dependable heater operation. It is a practical replacement choice when an existing component is worn, damaged, or no longer performing as it should. Pool heaters rely on tightly matched internal parts to manage heat, airflow, water movement, and safety controls. Using the correct