JeffB418
HYDROS Expert
Did some testing this week with the new high head pressure ATO pump from Tunze. And from initial testing, it appears that it works with the Hydros Drive Port. You need to adapt it for a drive port but thats not too hard.


This is the new pump:
The pump comes with crimped leads, one is brown and one is blue. Brown is + and blue is - or gnd. Per my cheat sheet, you will want to connect brown to pin 2 and blue to pin 1.

If you cant solder, you can always but a Hydros drive port extension cable and cut off the male end of the cable and adapt it using a level wire clamp like these: Amazon.com

Amazon also sells GX12-2 pin cables here that will work as well https://a.co/d/71wfHMd but do note you will need to use an OHM meter to figure out which wire is pin 1 and pin 2! I wouldnt trust the colors to match the Tunze pump, so DOUBLE CHECK before you make connections. I know the Hydros Cable should be color coded with BLACK being GND/Pin 1 and RED being POWER/Pin 2.

Just then wire PIN 1 of that drive cable to the BLUE cable of the Tunze and PIN 2 of the drive cable to the BROWN cable of the Tunze.
If you want something even easier, you can also use one of Harrys Breakout Cables for the drive port: Hydros Drive Port Breakout — Harry's Aquatics
The pump itself is below the max current per port of 1A. Typically I saw around 0.6A with no flow restriction and about 0.8A with full flow restriction. But do note that you have a max of 1.5A for both drive ports on a single X2 or X4, so keep that in mind with what you run on the other port.


As always, this is a DIY project and proceed at your own risk. Please report any findings below.


This is the new pump:
The pump comes with crimped leads, one is brown and one is blue. Brown is + and blue is - or gnd. Per my cheat sheet, you will want to connect brown to pin 2 and blue to pin 1.

If you cant solder, you can always but a Hydros drive port extension cable and cut off the male end of the cable and adapt it using a level wire clamp like these: Amazon.com

Amazon also sells GX12-2 pin cables here that will work as well https://a.co/d/71wfHMd but do note you will need to use an OHM meter to figure out which wire is pin 1 and pin 2! I wouldnt trust the colors to match the Tunze pump, so DOUBLE CHECK before you make connections. I know the Hydros Cable should be color coded with BLACK being GND/Pin 1 and RED being POWER/Pin 2.

Just then wire PIN 1 of that drive cable to the BLUE cable of the Tunze and PIN 2 of the drive cable to the BROWN cable of the Tunze.
If you want something even easier, you can also use one of Harrys Breakout Cables for the drive port: Hydros Drive Port Breakout — Harry's Aquatics
The pump itself is below the max current per port of 1A. Typically I saw around 0.6A with no flow restriction and about 0.8A with full flow restriction. But do note that you have a max of 1.5A for both drive ports on a single X2 or X4, so keep that in mind with what you run on the other port.


As always, this is a DIY project and proceed at your own risk. Please report any findings below.
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