Dual system (heat pump with gas furnace) turning gas heat on when cool is selected | DIY Home Improvement Forum
![Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/heat-pumps-electric-home-heating/111958d1577110007-thermostat-wiring-hybrid-dual-fuel-heat-pump-added-existing-hydronic-oil-2019-12-20_9-02-13.jpg)
Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums
![Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/heat-pumps-electric-home-heating/111828d1576730455-thermostat-wiring-hybrid-dual-fuel-heat-pump-added-existing-hydronic-oil-honeywell_prestigeiaqwboilerandisolating-relay.jpg)
Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums
![Ecobee premium installation with heat pump and possible backup. This is my old thermostat. I'm confused where to put these wires in the ecobee. Any help would be appreciated! : r/ecobee Ecobee premium installation with heat pump and possible backup. This is my old thermostat. I'm confused where to put these wires in the ecobee. Any help would be appreciated! : r/ecobee](https://i.redd.it/vhge9a39sco91.jpg)
Ecobee premium installation with heat pump and possible backup. This is my old thermostat. I'm confused where to put these wires in the ecobee. Any help would be appreciated! : r/ecobee
![Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums Thermostat wiring Hybrid dual fuel heat pump added to existing hydronic oil - DoItYourself.com Community Forums](https://www.doityourself.com/forum/attachments/heat-pumps-electric-home-heating/111959d1577110132-thermostat-wiring-hybrid-dual-fuel-heat-pump-added-existing-hydronic-oil-2019-12-16_9-46-16.jpg)