the HK06MB061 is the approved engineering update and direct substitute for the 1206256 and HK06WC061 models found in older mid-to-high efficiency units

The most common culprits are set-screw slippage

Key Benefits Modular Compatibility: Seamlessly integrates with the Danfoss TE 20 series valve bodies and orifice assemblies for versatile system configurations

high humidity causing ceramic fractures

or the furnace failing to initiate the ignition sequence after the thermostat calls for heat

Resideo DB7110U1000 Defrost Board 323269-701 the HK06MB061 is the approvedThe Resideo DB7110U1000 is an essential universal heat pump defrost control designed for single stage heat pump systems. As a veteran contractor, you know that field flexibility is critical; this board is engineered for on demand defrost and timed cycle performance, providing a high reliability solution for service calls involving failed OEM boards. This unit features field selectable defrost intervals of 30, 60, and 90 minutes, allowing for precise