I am considering using a Grundfos Alpha1 26-99F, ECM circulating pump
for our off grid hydronic heating system. The pump is regulated by a 0
to 10 Volt external device measuring temperature and pressure.
What specifically is that device, and where does it go in the system?
Thank you,
Drake
_Drake Chamberlin_
_Athens Electric LLC_
_Ohio Electrical Contractor's License 44810_
_NABCEP Certified PV Installation Professional_
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