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Hi TFP. It seems like my spa suction valve does not close completely. If I don't have the returns going mostly spa it empties out. Even if I'm 100% pool mode it draws the water down. Could this have something to do with the air circuit for the jets?

So, whats the difference between a "Shasta" actuator and a non Shasta actuator?

You have pentair valves but you want to mount a 3rd party actuator to it without stripping/breaking the valve. Here is the part number for the long stainless screws: CVA-SCRJ (the screws in the bag are the short ones I took out of the valve)...

Hi. I'm considering installing a SWG and my question is: Is the SWG turned on by applying power to a controller for the SWG? IE - Can a smart switch like a sonoff be used to turn it on and off as long as it is turning the pump on to a compatible speed?

I'm trying to build my own pool automation using sonoff devices. for solar control I have the device/probe for water temp but I'm trying to implement the solar sensor part of the system (see image). Is there a device/sensor available to determine readiness of the panels to heat the water? How...

So it looks like I can control my pump 8 speeds with 3 relays. Diagrams I've seen for Hayward vs950 show a 24 vac power required and a requirement "connection wire must be rated 300v". I'm pretty sure I need 4 conductor. Where best can I obtain this mystery wire for a peasant's fee? I really...

Sorry to revive this from the dead but the TH16 does not appear to be available anymore. Is this a viable alternative? https://notenoughtech.com/home-automation/sonoff-th-elite/

Maybe a plumbing guru can advise. I'm in the process of putting in 2 ground mount thermal solar racks/arrays. I want to ensure even flow to/from each one. Should I try to plumb even distance to each or will it matter? See crudely drawn picture.

I'm trying to decide on a finish for the plaster. We went to a showroom and my wife likes the feel of the polished finish. Does that mean they actually polish the entire pool after application? That sounds expensive.

I have what looks to be cracks appearing in my shotcrete which was shot yesterday. I'm pretty sure this was where the last batch came from the plant. It's this something I should be concerned about?

A section (middle) of our new pool dig is about a foot to 1.5 feet deeper than specified. What are our options. The excavator said something about slope and the pool cracking in half. The pool is 40 x 24.

Is there a way to calculate the area of a freeform pool design easily?