Bard 8603-033 Solenoid R-410A Durable Construction: Features a weather-resistant

Durable Construction: Features a weather-resistant enclosure and high-grade bellows for long-cycle life in demanding environments

While the XB-1019FW551B is specifically charged for R12 refrigerant

By mixing hot water with cold at the source

7 microamp sensitivity to prevent unsafe gas accumulation

Versatile Sensing: Capable of monitoring differential air pressure

Bard 8603-033 Solenoid R-410A Durable Construction: Features a weather-resistantThe Bard 8603 033 Solenoid with End Switch is a critical direct replacement flow control component engineered specifically for Bard geothermal heat pump systems and water to air units. Designed for high reliability hydronic management, this 24V solenoid valve features an integrated end switch that provides essential feedback to the system controller, ensuring the compressor only engages once the valve has reached its full open position. This prevents