Pressure Switch

What is a pressure switch?

The pressure switch is a small round switch with a tube attached to it that checks that the draft inducer motor is operating correctly. Once the inducer motor has cleared any gases left in the heat exchanger the pressure switch is activated and the furnace can safely ignite.

Where is it located?

The pressure switch is located inside the upper panel near the draft inducer motor.

Maintenance Tips

Check to make sure the hose isn't cracked or damaged every 3 months

Make sure the switch has no water on it every 3 months

Make sure the port is clear from any debris every 3 months

Make sure the switch properly clicks by removing it and blowing through it every 3 months

Lifespan

The lifespan of the pressure switch is 10 - 15 years.

Partner With Us

Join our partner program and receive qualified leads from high-intent prospects in your area.

Find Local Pros

Find home service professionals in your area for all your projects and home repair needs.