Carrier HH18HA130 Limit Switch 30067439-890 failure to hold pressure during

failure to hold pressure during testing often indicates a compromised diaphragm

facilitating precise flame sensing and sequencing for safe combustion cycles

making it ideal for powering sensitive sensors

Key Benefits Direct OEM Compatibility: Engineered specifically for Lennox CHP15 series and select heat pump models

It is standard trade practice to replace the HVAC capacitor whenever installing a new motor to ensure the start windings receive the correct phase shift and current

Carrier HH18HA130 Limit Switch 30067439-890 failure to hold pressure duringThe Carrier HH18HA130 is a high precision, OEM auto limit switch designed for critical thermal regulation within residential and light commercial HVAC systems. This disc type temperature actuated switch features a specific operating range of 100 130F, functioning as a primary safety mechanism to prevent heat exchanger damage and ensure efficient blower motor cycling. As a direct replacement for the HH18HA130B, this component maintains strict 1 2" NPT