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Lennox CB30M-21 Air Pressure Switch
The function of the air pressure switch is to figure out if the primary blower is actually running. This switch is one of the most crucial hardware devices made to stop injuries or explosions. A good number of pressure switches today are issued with a manual reset feature, which means you have to physically reset it or the whole HVAC system will not continue operation.
Symptoms that your Switch will Soon Fail
- The expected temp seldom reached.
- Wrong volt range running through the switch.
- The blower refuses to operate properly.
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Before buying or ordering do your best and double check the correct model as well as make a visual inspection in order to be sure the correct replacement air pressure switch is being ordered. Replacing the air pressure switch is a piece of cake provided you energy and have the proper tools to get it done.
Feel free to download your manual for help.
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