This genuine OEM replacement part (also identified as 75M4901) ensures precise shifting of the refrigerant flow between heating and cooling cycles

provided the line set dimensions match

it is the correct technician-grade replacement

Key Benefits: Internal Relief Valve (IRV): Provides integrated over-pressurization protection to shield downstream equipment

and commercial combustion equipment

Heil Quaker ICP 1192318 Reversing Valve 326058-755 This genuine OEM replacement partThe Heil Quaker ICP 1192318 Reversing Valve is a critical 4 way pilot operated component designed for heat pump applications requiring precise refrigerant flow reversal. Engineered as a direct replacement for EF17BZ281, this valve ensures seamless transitions between heating and cooling cycles. It features a 24V solenoid coil (50 60 Hz) and utilizes a slide block mechanism driven by pressure differentials. This OEM HVAC reversing valve is built to