Water Temperature (How do you get it with your pool)?

[myrddin]

I have a heater that I run when its too cold to swim... I can see what the current temp is on it... but other than that all I have is a floating thermometer and it seems to be wrong more often than not... I am thinking it gets surface temps due to the depth of the thing... Is there another thing I can add to the plumbing that will give me a reading without me having to turn on my heater to check it? Or should I just leave my heater on (but in standby) while I am tracking the temps...

just not sure is all, looking to see what is common out there.

thanks

 

[peterdaly]

You want one of theses.

Google Pentair pool thermometer.

You will need to plumb in a PVC T, with a threaded fitting, for it to go into. I have two, so I can see the lift from my solar.

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[myrddin]

Thanks man... this is more or less what I had in my head but I couldn't fine anything like this.

 

[myrddin]

Just made my order... will let you know how it works out..
http://www.sunplay.com/Pentair-Inline-Thermometer-SL1DW-p/sl1dw.htm

thanks agn

 

[Isaac-1]

I have a digital display on my Aqua Solar controller that shows temperature in the pump room, and also keep a small aquarium style digital thermometer around for spot checks (also use it on the hot tub). The aquarium thermometer is handy as it has a 8 or so ft long sensor lead, so just toss it into the water and read the temperature while standing up. I think I paid about $10 for it off amazon

 

[myrddin]

is that Aqua Solar controller, for solar heating I would guess? I may get into that next year... my pool water seems to stay cool year round... but then we like it warm.

 

[Isaac-1]

Yes it is

 

[myrddin]

Nice... thanks...

 

[Speedo]

This thread is perfect, I was just debating on what crappy thermometer to buy for the season.

Change of plans, this is much better!

To mount it, does it require a PVC 1" threaded female connector..?

 

[myrddin]

Speedo, what I plan to do is just like the pic above... I will use a 1.5 pressure PVC "T" with a bung that reduces to the threaded nylon insert for the thermometer...

beyond that I am not 100% sure of the size but I will know more once I get it in... Pete might be able to fill in the blanks...

I like the idea...

 

[ssgumby]

Im always curious which of mine to believe.

I have 3, salt cell, inline digital and floating analogue type.

Salt Cell reads 69
Inline Digital reads 75
Floating eads 71

I have the pipes insulated around the inline one.

 

[peterdaly]

I suspect you will get the one with a 1/2" plastic threaded "thermometer well". I have 2" plumbing, so I used a 2" T, a 1.5" reducer, then a 1.5" to 1/2" threaded plug.

Basically, you need to thread a 1/2" threaded male connection into your T, and your T into your pipe.

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