Carrier HH18HA130 Limit Switch 30067439-890 Key Benefits for Contractors Direct

Key Benefits for Contractors Direct OEM Alignment: Exact drop-in replacement for Reznor 196244

and industrial buildings

What are the temperature and pressure limits for this

failure to hold pressure during testing often indicates a compromised diaphragm

Carrier HH18HA130 Limit Switch 30067439-890 Key Benefits for Contractors DirectThe 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