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Haier HR18D2VAR Air Pressure Switch
The reason for the existence of the pressure switch is to sense if the main blower is running properly. Some particular air pressure switches may have a reset feature that is manual, which makes you reset it by hand or the entire system will not run. An air pressure switch is one of many other facets of the HVAC safety checks that are dedicated to keep you safe.
Warning Signs that the Pressure Switch has Failed
- Wrong volt being read from the pressure switch.
- HVAC system refuses to operate.
- The correct temperature is hardly ever attained.
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If you decide on picking up or purchasing any Haier HR18D2VAR replacement part, do your due diligence and double check the model number and also make a visual comparison so that you are positive that the correct air pressure switch is the one being purchased. If you are not sure about installing the new air pressure switch by yourself then it may be wise to contact a professional to do the work for you.
Feel free to download your manual for help.
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