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I have under floor radiant heating setup. I purchased the HBX HYD-0100 a few years ago and finally installing it.
First question is, I'm not getting enough hot water at the supply side.
- I have a direct run from the supply side of the boiler.
- Return goes back to boiler
- Sorry about the rats nest of wiring, I have the outdoor sensor connected, floor temp sensor, boiler sensor and boiler contacts to boiler zone control.
Do I need a circulator on the return like the other zones?
Any suggestions on what I'm doing wrong or not doing?