Hello all, Just a question here to be sure I am doing this correct.
I am hooking up my EFM 520. Currently have a Taco 503 Switching relay that is used with my oil furnace. was only using 2 zones but added a 3rd zone now.
I am wanting to make sure basically I just have to hook both aquastats (one from oil boiler and one from EFM) to the same terminals on the taco controller. The "start" terminals to let the boiler know its time to burn?
The manual for the control of course only shows it with one unit. I would assume it would work the same with 2 units just to the same terminals?
Sounds simple enough