HK06NB123 | Carrier 1.81" WC SPST Furnace Air Pressure Switch
Carrier · HMIs & Displays
Description The Carrier HK06NB123 is a furnace air pressure switch designed to monitor system airflow and support safe ignition sequencing. Built to Carrier specifications, it replaces older pressure switch models while maintaining proper combustion operation. The HK06NB123 ensures the furnace activates only when correct draft and pressure conditions are present. Technical Specifications Condition New/Never Used Surplus Brand Carrier Category Sensors & Switches Part Number HK06NB123 Subcategory Pressure Switch Switch Type SPST (Single-Pole Single-Throw) Pressure Rating 1.81" WC Function Airflow and draft pressure monitoring Application Residential furnace safety circuit Compatibility Carrier and BDP furnace systems Electrical Terminals Standard spade connectors Tubing Connection Standard furnace pressure tubing Housing Style Enclosed pressure-actuated switch Operation Mode Opens/closes based on sensed pressure Use Case Combustion safety and airflow verification Information About HK06NB123 The HK06NB123 is part of Carrier’s line of furnace pressure switches and is engineered to control airflow verification within the heating system. Featuring a single-pole, single-throw (SPST) design rated at 1.81 inches water column, it responds to changes in draft pressure with reliable switching accuracy. The component integrates readily with compatible Carrier furnaces, using standard tubing and wiring connections for straightforward installation. Commonly applied in residential heating systems, it supports combustion safety and airflow integrity by preventing operation under improper pressure conditions. Key Features: 1.81" WC rating: Calibrated for proper draft pressure detection in Carrier furnaces. SPST switch configuration: Provides simple and reliable open/close control. Safety interlock function: Ensures furnace operation only under correct airflow conditions. OEM-compatible design: Matches Carrier specifications for replacement applications. Durable housing: Resistant to typical furnace heat and environmental conditions. Standard tubing and terminals: Supports quick installation and service. Accurate pressure response: Maintains proper combustion and system performance. Suitable for residential systems: Aligns with common Carrier heating models. The HK06NB123 delivers the reliability and precision required for consistent furnace airflow monitoring and safe ignition control.
Brand: Carrier · Category: HMIs & Displays
Key features
- 1.81" WC rating: Calibrated for proper draft pressure detection in Carrier furnaces.
- SPST switch configuration: Provides simple and reliable open/close control.
- Safety interlock function: Ensures furnace operation only under correct airflow conditions.
- OEM-compatible design: Matches Carrier specifications for replacement applications.
- Durable housing: Resistant to typical furnace heat and environmental conditions.
- Standard tubing and terminals: Supports quick installation and service.
- Accurate pressure response: Maintains proper combustion and system performance.
- Suitable for residential systems: Aligns with common Carrier heating models.
Specifications
| Manufacturer part number | HK06NB123 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Carrier |
| Category | Sensors & Switches |
| Part Number | HK06NB123 |
| Subcategory | Pressure Switch |
| Switch Type | SPST (Single-Pole Single-Throw) |
| Pressure Rating | 1.81" WC |
| Function | Airflow and draft pressure monitoring |
| Application | Residential furnace safety circuit |
| Compatibility | Carrier and BDP furnace systems |
| Electrical Terminals | Standard spade connectors |
| Tubing Connection | Standard furnace pressure tubing |
| Housing Style | Enclosed pressure-actuated switch |
| Operation Mode | Opens/closes based on sensed pressure |
| Use Case | Combustion safety and airflow verification |
| Product type | Pressure Switch |
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