Carrier HH18HA130 Limit Switch 322838-754 What should I check if

What should I check if the module does not initiate a spark

The Lennox 87F1601 is a direct

What are the benefits of upgrading to a 1 HP ECM motor

Test the thermopile millivolt output with a multimeter while the pilot is lit

Carrier HH18HA130 Limit Switch 322838-754 What should I check ifThe 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