Carrier HK02MB008 Pressure Switch

The Carrier HK02MB008 LP Pressure Switch is a critical safety component designed for precise low-pressure monitoring in high-efficiency Carrier, Bryant, and Payne furnaces and packaged units. As a direct replacement for HK02LB008, this factory-authorized part ensures your system maintains the correct pressure levels for safe ignition and continuous burner operation. This switch is frequently used in LP gas applications and is calibrated to detect pressure drops that could lead to incomplete combustion or dangerous exhaust recirculation.

For technicians troubleshooting a furnace code 31 or an inducer motor that cycles without ignition, the HK02MB008 offers a reliable fix for faulty diaphragm sensors. Its robust construction resists the corrosive effects of combustion byproducts, ensuring the pressure switch circuit remains responsive under demanding thermal loads. This OEM replacement part replaces several legacy model numbers, including HK02LB016, HK02LB017, and P361-9201, providing a drop-in fit for existing mounting brackets and wire harnesses.

• Direct OEM Fit: Specifically engineered to replace the HK02LB008, eliminating the need for field modifications or bracket adjustments.
• Safety Compliance: Monitoring low-pressure limits prevents operation during venting obstructions or inducer assembly failures.
• Universal Compatibility: Validated for use across a wide range of Carrier HVAC models, including the 58MXA and 48GS series.
• Durable Construction: Built with high-grade components to withstand frequent cycling and ambient temperature fluctuations common in attic or crawlspace installs.

• Will this fix a Code 31 or 32 on a Carrier furnace? Yes, these codes typically indicate a pressure switch stayed open or failed to close; the HK02MB008 is the standard corrective part if the hoses and vent are clear.
• Can I use this switch for natural gas and propane systems? This LP pressure switch is designed to monitor gas pressure and air pressure differentials across various gas-fired configurations.
• Is this compatible with my older HK02LB008? Absolutely. The HK02MB008 is the current manufacturer-recommended upgrade for all previous HK02LB series switches.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.