IO Hvac Controls iO-DFK Dual Fuel Kit 326070-701 40" wc to prevent nuisance

40" wc to prevent nuisance tripping or unsafe combustion cycles in compatible unit heaters

a technician can flip the orientation to function as power-to-open and spring-to-close depending on the zone's requirements

this component is a primary solution for technicians troubleshooting "stuck" systems or electrical failures within the reversing circuit

including PDH

making it ideal for Day/Night thermostat operation

IO Hvac Controls iO-DFK Dual Fuel Kit 326070-701 40" wc to prevent nuisanceThe iO DFK Dual Fuel Kit provides seamless management for hybrid heating systems combining an electric heat pump with a fossil fuel furnace. Engineered for simplified dual fuel heat pump control, this kit handles up to 4 stages of heating and 2 stages of cooling. It utilizes professional quiet relay technology to prevent the heat pump and furnace from operating simultaneously, effectively protecting the compressor. The included iO DFK ODT outdoor