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Dave Harnish
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Dave's Repair Service
1911 Heath Hill Rd
New Albany, PA 18833

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Dave's Dictionary of Appliance Terms
The 'O' page

NEW! Download this entire 28 page dictionary in one ebook!

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Orifice – A small hole of a specific calibrated size to provide proper BTU output to a particular burner in a gas appliance.

Out of balance trip – Not a Spring Break drive to Florida, but a washer mechanism that’s designed to be ‘tripped’ when a machine’s load goes out of balance.

Oven sensor – Used in electronically controlled ovens, this little probe contains a thermistor. This is a solid state device whose electrical resistance varies with temperature. Its resistance is measured by the microprocessor, which then cycles the oven heat on or off as necessary to maintain the selected temperature. 

Overload protector -  A device that protects against, well, overloads <grin>, that usually provides both overheating and over-current protection, opening a circuit whenever either happens. Most motors and refrigeration compressors have these.

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