Hello, I have the ZSR103 multi zone relay. I've been having issues with the relays turning on and off extremely fast regardless whether there is a call for heat. It's worked fine for a couple years and I have not changed any wiring, any ideas thanks!
Hello, I have the ZSR103 multi zone relay. I've been having issues with the relays turning on and off extremely fast regardless whether there is a call for heat. It's worked fine for a couple years and I have not changed any wiring, any ideas thanks!