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Taco SR501-4 - Honeywell 6000 series digital thermostat issues
On a brand a new radiant IBC HC series boiler install, I have a recommended, but seemingly old, single zone Taco SR501 relay that won't work with digital "stats". The Taco documentation claims an in-line resistor must be used to make them work. The HVAC tech tried this to no avail. Perhaps he was in error. This relay seems rather antiquated? Should I get a different, modern relay, one that will support my requirements and my system?