HVAC System Relays

Replacement Parts > HVAC > Relays

HVAC System Relays

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What is an HVAC system relay?

An HVAC system relay is an electrical switch that cycles a circuit on and off in order to control a component of the HVAC system, such as the blower motor.

What is the purpose of an HVAC system relay?

The purpose of an HVAC system relay is to control electrical current to the component of the HVAC system which it is connected to. This prevents the component from becoming overloaded and potentially damaging the HVAC system.

How do I determine if my HVAC system relay is faulty?

If your HVAC system is not functioning correctly, it is possible that the relay may be faulty. To determine if the relay is the cause of the issue, you should inspect the relay for any damage or corrosion. If the relay is visibly damaged or corroded, it may need to be replaced.

Can a faulty HVAC system relay cause damage?

Yes, a faulty HVAC system relay can cause damage to the component of the HVAC system which it is connected to, as it will not be able to control the flow of electrical current properly.

How do I replace an HVAC system relay?

  1. Turn off the power to the HVAC system.
  2. Disconnect the wires from the faulty relay.
  3. Remove the faulty relay from the HVAC system.
  4. Install the new relay in the same position as the old one.
  5. Connect the wires to the new relay.
  6. Turn the power back on to the HVAC system.