meaning it will re-close the circuit once system pressure drops back to the 300 PSI threshold

Its robust construction is designed for high-cycle industrial environments

ensuring drop-in compatibility with legacy and current 1/2" NPT configurations

making it ideal for monitoring domestic water

IO Hvac Controls iO-DFK Dual Fuel Kit 326058-758 meaning it will re-close theThe 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