Because of the bi-flow design

though technicians should use standard safety equipment when operating at high system temperatures

Applying 115V will result in failure to start or insufficient torque for the fan load

using OEM Honeywell recorder charts eliminates calibration errors and ensures the pen arm tracks accurately across the uniform arcs

ensuring full pressure ratings and consistent valve actuation

Bard 8620-106 Replacement Kit 30067439-890 Because of the bi-flow designThe Bard 8620 106 Defrost System Replacement Kit is a critical field installed component designed specifically for Bard heat pump units. This kit serves as an OEM grade solution for failing defrost control boards, ensuring the unit correctly manages ice accumulation on the outdoor coil during low ambient heating cycles. The assembly typically includes the solid state 8201 102 defrost board, necessary wiring harnesses, and high pressure low pressure