HVAC Case Seals

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What is an HVAC Case Seal?

An HVAC Case Seal is a gasket or seal located between the evaporator and condenser of an air conditioner. It helps to keep out dirt and other contaminants, and helps to keep the system running smoothly and quietly.

How do I know if my HVAC Case Seal is faulty?

Symptoms of a faulty HVAC Case Seal include noises coming from the air conditioner, a decrease in air flow, and an increase in energy costs.

Can a faulty HVAC Case Seal cause damage to my air conditioner?

Yes, a faulty HVAC Case Seal can cause damage to your air conditioner if not replaced. A faulty seal can allow dirt and contaminants into the system, which can clog up the evaporator and condenser, reducing efficiency and potentially causing damage to the compressor.

How do I replace an HVAC Case Seal?

Replacing an HVAC Case Seal involves several steps:

  1. Turn off the power to the air conditioner and disconnect any power sources.
  2. Remove the old HVAC Case Seal, taking care not to damage the gasket surface.
  3. Clean the gasket surface with a clean cloth and a non-abrasive cleaner.
  4. Apply a thin layer of lubricant to the gasket surface.
  5. Place the new seal onto the gasket surface and press firmly to ensure a secure fit.
  6. Reattach any power sources and turn the power back on.


How often should I inspect my HVAC Case Seal?

It is recommended that you inspect your HVAC Case Seal every few months, or as needed, to ensure that it is in good condition and functioning properly. If you notice any signs of wear or damage, it is important to replace the seal immediately.