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Key Benefits Dual-Voltage Versatility: Supports 230V or 460V 3-phase power
73 Cv Equal Percentage Flow Cast Bronze Body with Brass Trim
With an operating pressure differential of 5-125 PSI
This part is a direct replacement for Lennox 89M77
IO Hvac Controls iO-DFK Dual Fuel Kit R-22 Key Benefits Dual-Voltage Versatility: SupportsThe 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
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