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International Comfort Products TCA424AKA1 Air Pressure Switch
The main function of the pressure switch is to determine whether the primary air circulator is circulating the air as it should. This switch is an important part of the safety system in place to keep you safe from injury or explosions. Some pressure switches are programmed with a manual reset, which means you have to physically reset it or the whole HVAC system will not continue operation.
Indications of a Rapidly Declining Air Pressure Switch
- HVAC system is unable to run.
- Wrong volt range reading from the switch.
- The set temperature is hardly ever achieved.
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