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    Will water flow from elevated SPA back down to POOL if there is a High-Loop and Pool Supply check valve in our automated system?

    Quick question that has been bugging me for years. When the automated valves (via daily schedule) are in between transitioning from POOL and SPA mode (they take about 20-30 seconds to completely transition), will the water flow from the SPA through the pump, over a high loop (higher than the...
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    Feature Request: Why don't pump controllers dynamically set RPM for heating with solar panels

    In my head this is a simple problem to solve. Why can't Jandy/Pentair/etc have the variable speed pump automatically adjust RPM for solar heating. Or do they already? We already have a supply line temperature probe, I don't see why we can't have a return line temperature probe and set a min/max...
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    Thought: Delayed activation of Heater Bypass

    Sooo I was looking into this at some point in the past for a different reason. I didn't want automated valves changing positions at the same time. I wanted one delayed by about 1min and the other not delayed. Never went through with making the modification though. I can't remember the...
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    What is consuming chlorine?!? SWCG can't keep up. Been SLAMing. Crystal clear pool now. Never algae on walls .

    It takes 12 hrs of pool pump running at 25gpm (1800rpm) with SWCG running at 100% to maintain chlorine level on covered pool!!! that doesn't sound right? In past summers (owned house since 2018 and all new equipment was installed) I might get up to 95% swcg with 8hrs of pump run time. Around...
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    4 year old Jandy VSP 2.7HP ePUMP making weird noise near impeller on startup

    Hey all. My Jandy VSP 2.7HP ePUMP VSSHP270AUT (4 years old) is making a weird noise on startup and continues while running, but sometimes lessens after running for a while, or starting and stopping a few times. My uneducated guess/hope is the impeller is unbalanced or has debris in it. I would...
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    VS Pump wattage/GPM decreases for a set RPM after 30-60mins

    I am working with a Jandy VSP ePUMP VSSHP270AUT 2.7HP and PLC1400 SWCG. Out of curiosity (trying to prove very low speed may have been causing SWCG scaling) I am trying to dial in the RPM of the motor to achieve the 20GPM minimum specified in the manual for the PLC1400 SWCG. So I also...
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    Spa Jets Pump (Ignorant questions)

    We moved into our house 4 years ago we had the pool/spa circulation pump replaced with a variable speed pump, but left the old pump that is dedicated to just the spa jets. I did fire it up at that point and it leaked a little in the middle (probably a seal/gasket/etc), but since then we haven't...
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    Jandy Aquapure PLC1400 SWCG scale build up after a few weeks, only on the output "grate"

    Hey there. Curious as to why I keep getting scale build up on the output "grate" side of my Jandy Aquapure PLC1400 cell after only about 2-3 weeks of running. It doesn't seem to build up on the face of the plates themselves but rather just the end-grate that holds the plates in place. Same...
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    Jandy Aqualink Low Voltage Heater Relay Not Closing Circuit (ie SPA heater not turning on)

    Hey all. I am hoping I have a software configuration problem and not a hardware one. I have an Aqualink hooked up to a Mastertemp 400 which has been working for a few years, then all of a sudden the heater wasn't turning on when called for heat. I verified the heater is working as expected by...
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    SWG % for spa when in use?

    Hello, My pool service guy said to always leave my SWG at 20% for some reason. He may have said something about not wanting to have the chlorine be too high of a percent when it is coming out of the returns for such a small body of water when people are actually in the SPA. Is that relevant at...
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    Jandy AquaPure Low Salt warning or Intermittent Service Code 120/121 depending on cell position

    I'm a little stumped at this point. All season I have been working with my pool service guys regarding a chlorine generation "issue" with our Jandy AquaPure 1400 Salt Water Generator (SWG). New pump/filter/SWG in Spring of 2018. For the first two years I was able to run the pump at 1600rpm...
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    Elevated Spa: How much check valve spring tension will hold back water on supply side

    I have an spa that is elevated and the water level is about 1.75 feet above my diverter valves. The spa water level is about 3 feet above pool water level. Every time I switch over from spa mode to pool mode (takes about 60 seconds for actuator to switch positions) I lose about 0.25" of water...
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    Elevated Spa: Will a high loop work instead of a check valve on return/target line?

    Hello! I have an elevated spa with an automatically controlled valve system (with my pool). When the valves (vacuum/source/supply and return/target) change from spa to pool or vice versa the spa loses about 0.5" inches of water (which ends up back in the pool). It takes the valves about 30-40...