Rheem Ruud 625010 Ignition Module R 410A Extended ODF Sweat Ends: Simplifies Extended ODF Sweat Ends: Simplifies the installation process by allowing technicians to braze the valve directly into the copper line without internal heat damage it manages pressure differentials from 5 to 250 PSI for air and up to 200 PSI for liquids The Rheem Ruud 625010 Ignition Module is a critical intermittent pilot ignition control engineered for precision sequence management in residential and light commercial HVAC systems it is designed as a service part for systems already configured for intermittent pilot ignition rather than a universal conversion kit