I originally purchased the Delta-T Pro Ethernet because it could drive a variable speed pump and claimed web monitoring. Variable speed pump control worked well out of the box, but I was disappointed when web monitoring did not function. The folks at Heliodyne worked with me to troubleshoot and improve firmware, and altE was very helpful in making sure I was satisfied. With the latest firmware update (v4.2) web monitoring is functional. I can now say that I would recommend this product to others. One thing I would like to see in the future is firmware update via the Internet.

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