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Nordyne M3RL Series Air Pressure Switch
The primary function of the air pressure switch is to sense whether the air blower is running. An air pressure switch is one of the key safety creations designed to keep you from harm. Some pressure switches are programmed with a manual reset, which makes you reset it by hand or the whole HVAC system will not continue operation.
Warning Signs that the Pressure Switch is Already Going Bad
- Bad volt range running through the switch.
- The blower fan is unable to function.
- The set temperature in the house seldom fully attained.
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