Nothing to do with a thermostat per se.
I want to track furnace on time a bit more accurately than watching the thermostat temperature vs the setpoint as I do it now. The idea is to estimate fuel usage/supply. The current method doesn't give a true picture as the stat turns on and off the burner it seems based on heating rate.
I have a RCX X10 thermostat connected to a gas furnace and was thinking of interfacing a DS10 in some fashion to the gas valve solenoid,or perhaps directly to the stat heating output. Before I go breaking into the wiring to install a relay, I thought I'd ask if anyone has done something similar, and if so, how.
I want to track furnace on time a bit more accurately than watching the thermostat temperature vs the setpoint as I do it now. The idea is to estimate fuel usage/supply. The current method doesn't give a true picture as the stat turns on and off the burner it seems based on heating rate.
I have a RCX X10 thermostat connected to a gas furnace and was thinking of interfacing a DS10 in some fashion to the gas valve solenoid,or perhaps directly to the stat heating output. Before I go breaking into the wiring to install a relay, I thought I'd ask if anyone has done something similar, and if so, how.
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