Carrier EF17BZ252 Reversing Valve 321042-401 As the primary logic controller

As the primary logic controller within Mark IV series units

this ASCO RedHat solenoid valve is a trusted solution for car wash systems

Operating at 120V with a 90-watt output

Featuring a 29 Cv rating

Optimized Airflow Detection: Specifically designed for low-flow duct smoke detection

Carrier EF17BZ252 Reversing Valve 321042-401 As the primary logic controllerThe Carrier EF17BZ252 Reversing Valve is a critical 4 way pilot operated component engineered for heat pump applications requiring precise refrigerant flow reversal. This direct replacement for EF17BG249 features a 1 2" suction and 3 4" discharge ODF (Over Deluxe Fitting) connection configuration, ensuring a leak resistant braze joint. Operating on a 24V AC solenoid coil, this valve facilitates the changeover between cooling and heating modes by