Carrier HK06MB023 Pressure Switch 321042-401 The Sensus 143-16-511-10 Valve Seat

The Sensus 143-16-511-10 Valve Seat is a critical replacement component engineered for the Sensus Model 243 Service Regulator

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

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

For contractors performing Carrier HVAC repairs

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

Carrier HK06MB023 Pressure Switch 321042-401 The Sensus 143-16-511-10 Valve SeatThe 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