Therm 4.0kW Universal Flo Thru Titanium Element [9.9"] [240V] (25-4041-BI-TI) pulsafeeder A properly selected air button

A properly selected air button helps support cleaner installation and contributes to more dependable manual control feel

This AOS Century 0

Improves control convenience and service confidence

or control style can make a major difference

That makes it a practical service part for professionals and owners who want a cleaner replacement path

Therm 4.0kW Universal Flo Thru Titanium Element [9.9"] [240V] (25-4041-BI-TI) pulsafeeder A properly selected air buttonTherm 4. 0kW Universal Flo Thru Element [9. 9"] [240V] (25 4041 BI TI) is a heater service component for pool, spa, hot tub, or bath equipment repairs where the correct replacement part matters. This item is listed under Therm Products and is intended for the Heater Parts category, making it easier to match the part to the style of component being serviced. Use it when the existing part is cracked, worn, leaking, missing, corroded, discolored,