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Heat Controller VMH18SC-1 Air Pressure Switch
The primary function of the air pressure switch is to determine whether the blower fan is doing what it is supposed to do. Some pressure switches can have a manual reset, which means it would need to be reset before the HVAC system will continue. This switch is an important part of all the safety features in today's HVAC systems that is in place to keep you safe from harm.
Clues that your System Pressure Switch is Starting to Go Bad
- Inaccurate voltage range being read.
- HVAC system refuses to function properly.
- The proper temperature indoors is never attained.
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If you are going to be buying or ordering any Heat Controller VMH18SC-1 replacement part, do your due diligence and cross-check the correct model as well as make a visual comparison in order to be sure the correct air pressure switch is the one being purchased. There is no rule that says you have to install it yourself. Pay a professional in your area to replace the part.
Feel free to download your manual for help.
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