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Can I use High Flow 2 without Aquasuite?

objecttothis

Newbie

Can I use High Flow 2 without Aquasuite?

samedi 15 novembre 2025, 11:17

My custom open loop is completely controlled and monitored using Fan Control and HWiNFO. Fan Control uses LibreHardwareMonitor. I don't want to use Aquasuite. I have an ASRock X870E Nova WiFi which has available fan headers and Thermistor headers. I noticed that the AquaComputer High Flow 2 cable has a 3-pin fan connector and a 2-pin thermistor connector. Can I just connect these to my motherboard and bypass Aquasuite? I currently am doing this with an Alphacool ES Flow sensor but it's readings are hot garbage and want to replace it. I absolutely do not want to buy a flow sensor that I have to connect to a proprietary controller and have to add more control software.

Shoggy

Sven - Admin

samedi 15 novembre 2025, 13:12

Your basic assumption is incorrect because the sensor is not compatible with the aquasuite software. It does not have a USB interface. So you will need another device to read the sensor anyway.

You can connect the sensor to the mainboard, but it is questionable whether this will produce meaningful readings. You need to be able to set the pulse rate (147 pulses/liter) somewhere so that it can be converted into a flow rate.

objecttothis

Newbie

samedi 15 novembre 2025, 20:18

According to my research, the standard PWM signal is 2 pulses per RPM (https://www.eevblog.com/forum/beginners/…per-revolution/) so plugging the 3-pin flow header into one of my fan headers will give me an RPM reading. The formula to convert should be L/h = (RPM * 120)/147 is it not?

sebastian

Administrator

Aujourd’hui, 12:09

The most fan controllers cant display low fan speeds:

at
100 l/h -> 147 impulses/liter == 14700 impules per hour
== 245 impulses per minute
== 122 rpm (a fan has 2/imp per rotation)

objecttothis

Newbie

Aujourd’hui, 13:11

OK, I'll try it out and if my motherboard's fan controllers are like most, then I'll need to buy something like a QUADRO. According to HWiNFO (https://www.hwinfo.com/forum/threads/com…onitoring.8051/) the software should be able to read the outputs on the QUADRO just fine. It looks like LibreHardwareMonitor should be able to read it as well.

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