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Thanks kindly for the support and suggestions. I got this working with the Shelly relay - I put in a simple schedule and confirmed that it switches the heat on and off correctly. In retrospect I wish Iʻd bought 24v relays, but itʻs working fine on a 240v thoʻ the wiring wasnʻt as smooth to do...

Thanks, thatʻll work just fine - I wanted to make sure I wasnʻt bypassing the UltraTemp thermostat and low flow controls. And I do understand the difference between contact rating and coil voltage - I was just having trouble finding a relay that I could easily get here in Hawaii and that ran on...

Perfecto!

I see another issue. Your article says "When using the "fireman's switch" the heater thermostat is not used". If thatʻs true with the UltraTemp Iʻll still have problems using POOL-COM. All Iʻm trying to do it run the UltraTemp on a separate schedule. For example, I have the pump running from 9...

Thanks Mike - I just realized after reading Allenʻs post that both my relays will run on 240v. No, thereʻs no 120 at the pad - Iʻd have to either add a 120 breaker at the box that feeds the pool pump, heater and Intellichlor or maybe just take a line off the 120 breaker that feeds the pool...

Allen, I understand your post, and thatʻs what Iʻm trying to do - add a WIFI relay to control POOL-COM. I didnʻt realize until just now that both the Sonoff and Shelly relays can handle 240 vac input. It doesnʻt look like thereʻs 240v up behind the control panel. And so far I canʻt find a...

Thanks, now that I know the terminology, I see some dry contact units. I picked up a Shelly 1 Mini to play with. So far I canʻt get the Ewelink app to talk to the Shelly and I canʻt get the Shelly app to talk to the MINIR4. But either app would do the job, and I can see that either the Shelly or...

Hi - I have another product question. I understand how the Pentair heater can be controlled by jumpering the POOL and COM contacts. I ordered a Sonoff MINIR4 to use for that purpose - it got lost in the mail but I finally got one yesterday. BUT I didnʻt read the specs correctly. I thought I was...

Thanks Allen, Mike - lemme see if I have this right - I havenʻt messed much with smart home stuff except for a bit of lights and curtains control, but nowʻs a good time to start... 1. The heater now has absolutely no automation - the pump and heater now run from 9 to 5, and when the pump goes...

Well mahalo nui loa!! - I figured it had to be totally simple. Iʻm assuming those are basically control leads and the relay doesnʻt have to handle any serious current - that means this is a cinch. Weʻre in Kihei too, just off the highway near the roundabout by the new high school. Later...

We have a small residential pool with Pentair equipment. Control of the UltraTemp 1200 heater is very barebones: Iʻve set the IntelliFlo pump to run from 9 am to 5 pm; when it stops, the UltraTemp kicks a low flow error and shuts down. This has worked fine, but our situation has just changed...