PresAir Trol Sequencer [Solenoid Special A] (MSA325B) americanzettler Helps control gas delivery for

Helps control gas delivery for heater combustion

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

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

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

OEM Hayward skimmer float valve

PresAir Trol Sequencer [Solenoid Special A] (MSA325B) americanzettler Helps control gas delivery forPresAir 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