solenoid

$125 apex classic with display $25 Neptune solenoid valve $20 optical sensor (have 4) Shipping included

Hi guys so I recently bought a MC122 so I could start running a scrubber and I've been searching for a solenoid to use for it and all the solenoids I see all don't have a plug already connected to them. I'm looking for 3/8 in one, anyone got some recommendations? Thanks, Oliver.

I added the XP Aqua Flood Guardian to my system after the "great flood". I mounted the solenoid after the RODI and set the sensor in the ATO reservoir. I got up yesterday morning to a puddle on the floor. It looks like there is a small split in the housing of the solenoid. There has also been...

I have some programming questions. I am thinking of improving my RODI unit. I am thinking of buying 3 more solenoid valves to plug into my GHL powerbar. I already have one solenoid that turns on when my auto top off water bin is low. It is connected to two float switches. My solenoid...

Hello all, and thanks for stopping in to read and help if possible. Just installed my first apex and I have most of it figured out, but The Kalk stirrer and solenoid valve programming is starting to scare me. I had to run my top off line through a couple of walls, so adding a second line and...

Well, I'm blessed this time because the disaster could have been so much worse. My Tunze RODI solenoid that sits behind my 150 gallon tank and manages my top-off, failed big-time this week. By failed, I mean that the brass snapped (how does this even happen with low pressure purified water...

Hey guys. I wanted to share my solution to a problem I've had a few times since I installed an ATO a few months ago. I haven't seen any threads with this exact fix and I'm a bit new to the hobby, so pardon me if this is common knowledge. I'm using the XP Aqua Duetto as an ATO for my Fluval EVO...

Korallin Calcium Reactor with media, AquaMaxx second chamber with media, 5lb CO2 tank, regulator with solenoid valve. Used for 13 months, perfect working condition. $400 shipped FIRM

I have this AquaMaxx Reactor just sitting around: https://www.marinedepot.com/AquaMaxx_FR_SE_GFO_Carbon_and_Biopellet_Hang_On_Filter_Media_Reactor-UJ45107-FIFRIT-vi.html I should be able to use this with the appropriate media, yes? I'd also like to control the air line via the Apex. Do you...

My electrical skills are basically trail n' error until something works :-). With that in mind, I was wondering if anyone could help me figure out why this isn't working. I'm trying to connect a 3/8" solenoid valve up to my co2 scrubber. I bought one of the DV24 to Bare Wire accessories and was...

Hi all, So I'm planning my ATO and am going to do a min/max set up - the lower sensor tells the controller when to open the solenoid and the upper tells it when to close the solenoid. Is it better to use one mechanical and one optical or both the same? If it's one of each, does one work...