Danco VA-1 valve 80978  
Danco 80686 valley seat and springs 2-pack
 
After pulling off the chrome and unscrewing the chrome cap, the cartridge just pulls out.
 ![Pedect Match Replacement Cartridge for VALLEY, SEARS & AQUALINE Repuesto 80978 VA-I ](Exported%20image%2020240808114111-0.jpeg)  
![DANco €0686 SEATS & SPRINGS for Valier ASIENTOS Y SPRINGS PARA VALLEY@ ](Exported%20image%2020240808114111-1.jpeg)  

The spring and gasket is constructed so that the spring goes into the gasket and the plastic insert goes into the other end of the spring. Of course, the end of the spring with the insert goes into the valve with the gasket sticking out toward the cartridge.
 ![Exported image](Exported%20image%2020240808114111-2.jpeg)