PresAir Trol Sequencer [Solenoid Special A] (MSA325B) americanzettler and this Intermatic RC613 version

and this Intermatic RC613 version is a single-channel 115 volt model using the RC613 reference

Helps restore UV sanitation component performance

1/8 inch MPT connection with SPDT switching and 2 PSI setting

This unit is especially useful when a portable chemical solution is preferred or when replacing a worn dispenser that no longer adjusts or floats properly

Balboa 50A 5 Position Terminal Block (21137) is built to handle one of those steps effectively

PresAir Trol Sequencer [Solenoid Special A] (MSA325B) americanzettler and this Intermatic RC613 versionPresAir Trol Sequencer [Solenoid Special A] (MSA325B) is a replacement solenoid sequencer component for compatible PresAir Trol electrical control systems. Sequencers help manage staged equipment functions, making this part useful when troubleshooting a compatible control setup that is not activating or progressing through functions properly. When working on pool and spa plumbing, valve, or electrical systems, matching the correct manufacturer part