Best Intermatic Timer for pump and booster

Mar 19, 2014
54
Oxford, MS
I have a real simple setup, single speed pump and polaris booster (all 240v). the PB who set this up (back 15+ years ago) used regular light switches to turn on and off power (kind of, lol, at least they're daisy chained). I am wondering what everyone is buying these days. The T104 seems to be the perennial favorite but does it support two separate devices, or do I need two timers? I know I need to wire it up so that the booster pump only can come on if the main pump is on, but other than that is there anything tricky? Do the mechanical timers themselves run on 240? Also, I don't have a breaker on the equipment pad, just a 240v GFCI breaker in the main panel. Is that still ok? Was that ever ok? The PB made some questionable decisions like splitting a 110 circuit off of the 240 one and tying neutral to ground so I'm not exactly trusting of his choices.


This got long but basically I want to know what's the standard timer install for a basic 1 speed pump and booster pump. Remote on/off would be cool but is honestly unnecessary. I looked at some intermatic z wave stuff but people have antenna issues since the signal has to go through exterior walls/brick/whatever. I want to keep this cheap because the goal is to eventually save money by not running the pumps as much.
 
You can wire both devices to a single T104 but then both devices are switched on/off at the same time. If you want the ability to turn pool pump on with booster pump off you need more than a single T104.

linked is a post detailing how I setup dual T104’s for a Stenner pump. I think you can do the booster the same way. Yes the clock runs on 240V. I cant answer all your questions but the 110V circuit as you describe it sounds definitely against code.

As far as whats the standard these days....probably a robot and not a polaris booster?:D

https://www.troublefreepool.com/threads/156284-Stenner-Wiring-Double-Timer?p=1383049#post1383049
 
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