It’s winter. I hate how Pentair makes you break everything to heat the spa in the cold!

OrangePoolGuy

New member
Jan 9, 2025
4
Dallas, TX
Sorry if I’m not posting this in the right forum. But I’m both ranting and hoping there are solutions I’m not seeing.

I have a Pentair setup. I use the new Pentair pool app.

When the temperature gets cold, or it snows, that’s when my family likes to use the spa.

Except that’s also when freeze protection kicks in. So you turn on spa mode, and the system immediately kicks it back off because it wants to keep running freeze protection.

The only solution I’ve found for that is to go into the app and then into advanced settings to go into each circuit and turn off feeeze protection so that the spa and heater can be turned on and run.

Then I have to remember when I’m done to turn freeze protection back on for all the relevant circuits.

COME ON, PENTAIR!!! It should not have to work that way. There should be an easy temporary override of freeze protection for spa use.

And that makes sense. People love to use their spas in cold weather. It’s fun. It feels great.

BUT WAIT, it gets worse.

I can’t find the feature, or a way to override it. But there’s clearly something programmed into the system that disables the heater from even being able to turn on and work when the outside air temperature gets below a certain level.

I haven’t found a way to alter this feature temporality or permanently. Also dumb.

The only workaround I’ve found is to go into the system settings and recalibrate the outside air temperature thermometer to read higher than the temperature really is.

Then I have to go through all the irritating steps listed above about freeze protection.

And then, again, I have to remember to undo all that when done with the spa.

This is all nonsense. Pentair needs to make this simple. There should be a temporary and quick, one-button choice to override all this and make run the spa/heater in cold weather.

They make it hard and difficult. And they create the peril of forgetting to undo all those overrides at the end. So the problems they create are worse than the risks they are even trying to avoid in the first place.

Rant over.

Are there any better solutions here?
 
Setting the Egg Timer Feature
The “Egg Timer” feature lets you manually switch on equipment and program the system to automatically switch off after a specified time.

You can set this timer feature for other equipment such as lighting, spa or spa jets.

Equipment can be set to be on for one minute or 24 hours.

The Egg Timer program is factory set to switch off after 12 hours.

You also have the option to use the “Don’t Stop” feature to run a circuit continuously until manually switched off.
 
For example, when you press the egg timer, it will switch the air temp to 77 degrees for however long you have the egg timer set.

This will prevent the freeze protection from working while the egg timer is on.
 
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You have to be careful running a gas heater in cold weather and with cold inlet water. Doing so can cause the combustion flue gases to condense inside the heater. That condensate is incredibly acidic and will cause accelerated corrosion damage. Pentair designs their automation systems to avoid this but also provides a way for you to override it as @JamesW pointed out. That way, when your heater fails due to corrosion, it’s not their fault 😉.

They’re not dumb …
 
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You can use a SPDT relay connected to an AUX relay or the Aux Extra relay output and set an egg timer for that circuit.

The relay will switch the selection of the thermistor wire from the air temp sensor to the 10K resistor.

Note that this is a hack and not authorized by the manufacturer.

You take all responsibility for doing the necessary research to decide if this is something you can do and want to do.

I am not recommending it or saying it will work without issues.

There might be unanticipated issues, so you have to take all responsibility for anything that happens.

Do not do anything unless you are personally sure you know exactly what you are doing and you know and accept all risk involved.

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You can use a SPDT relay connected to an AUX relay or the Aux Extra relay output and set an egg timer for that circuit.

The relay will switch the selection of the thermistor wire from the air temp sensor to the 10K resistor.

Note that this is a hack and not authorized by the manufacturer.

You take all responsibility for doing the necessary research to decide if this is something you can do and want to do.

I am not recommending it or saying it will work without issues.

There might be unanticipated issues, so you have to take all responsibility for anything that happens.

Do not do anything unless you are personally sure you know exactly what you are doing and you know and accept all risk involved.

View attachment 623992






Thanks.

And when I have that timer on, I can do whatever I otherwise want? Specifically, turn on spa and air blower and heater?
 
The only thing the timer should do is make the air temp read as 77 degrees, which will prevent the Freeze Protection from coming on.

There should not be any other effect unless it is related to the air temperature for some reason.
 

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Here is the basic idea.

The SPDT relay chooses if the air temp sensor is reading the 10K resistor or the air temp thermistor.

When the relay is not activated, the air temp is reading the correct air temp.

When the relay is activated, the air temp is reading the 10 k resistor and the air temp will read 77degrees.

For a SPDT relay, you can think of it as one input and two outputs or two inputs and one output.

The air temp sensor will be connected to the NC (Normally Closed) terminal and the resistor will be connected to the NO (Normally Open) Terminal.


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You could also use a 15,000 ohm resistor and a SPST (Single Pole, Single Throw) relay to put the resistor in parallel with the air temperature sensor to make it read about 10,000 ohms.

1/Rt = 1/R1 + 1/R2

R1 = 30,853 ohms (34 F) (Resistance of air temperature Sensor Thermistor at 34 degrees).

Rt = 10,000 ohms. Total Resistance desired to make the air temp read 77 degrees.

1/10,000 = 1/30,853 + 1/R2

1/10,000 - 1/30,853 = 1/R2

R2 = 14,795 ohms.

1/Rt = 1/30,853 + 1/15,000

Rt = 10,093 ohms


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