Carrier HK06MB023 Pressure Switch 321042-401 it can be plumbed to

it can be plumbed to sense positive pressure

Field Versatility: Equipped with a 48” capillary and breakaway stem to adapt to various cabinet depths and mounting configurations

For contractors performing Carrier HVAC repairs

ensuring a secure and code-compliant installation into standard junction boxes

ensure your existing wire harness is compatible or order a new WHA-PKD3 series harness

Carrier HK06MB023 Pressure Switch 321042-401 it can be plumbed toThe Carrier HK06MB023 is a critical dual pressure switch engineered for precision monitoring of both high limit and low vacuum points in Carrier heating and cooling equipment. As a direct replacement for the legacy HK06NB023, this genuine OEM furnace part serves as a primary safety mechanism, ensuring that the inducer motor is moving sufficient combustion air and that the collector box is free from obstructions. By measuring pressure in inches of