Hello, I don't understand at all.. If i have a Grundfos CRE - with integrated FU - i only need the sensor? - without unit? Doesn't have the CRE the electronic allready inside the FU? So, with the CRE (FU) i need only the sensor? - or do i neeed allways the complete unit?
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Hello, I don't understand at all..
If i have a Grundfos CRE - with integrated FU - i only need the sensor? - without unit?
Doesn't have the CRE the electronic allready inside the FU?
So, with the CRE (FU) i need only the sensor? - or do i neeed allways the complete unit?