Carrier HH18HA130 Limit Switch 30067439-890 Direct Technical Replacement: Engineered as

Direct Technical Replacement: Engineered as the formal successor to the 034G0006 Danfoss ETS valve for easier field service

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

Technicians should look for visible warping

While requirements can vary by specific application

facilitating precise flame sensing and sequencing for safe combustion cycles

Carrier HH18HA130 Limit Switch 30067439-890 Direct Technical Replacement: Engineered asThe 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