Question about Ruud UBHC Air Conditioner
It is the automatic switch that makes the second 120 line engage when triggered by the thermostat. It is in the out side unit. An electromagnet pulls down the contact to complete the curcuit when required but the magnet does not seem strong enough so it buzzes and did not used to.
What is it called and where can I buy one?
It is called a contactor and you can buy one at www.grainger.com however the buzzing is often more related electrical frequency rather then if it is weak or not...
Replaceing this is a good idea though because the contacts wear out and can weld together if they get too hot...
The one you would want is on page 272 in grainger...you want a 1 pole 24 volt coil...probably 1V598
Posted on May 07, 2010
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Posted on Jan 02, 2017
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