PRESSURE TAPS: Filter driers can be purchased with Schrader valves (pressure taps) on their inlets and outlets (left), or just on the inlet (right). A pressure drop of more than 2 psi measured with ...

A liquid line drier is key to battling a formidable opponent: moisture. That makes it one of the most important — yet least expensive — parts of a refrigeration system. Moisture is a major cause of ...

If you’ve ever replaced the water filter in your refrigerator, you know they don’t come cheap. Some cost as much as $60, which means that if you follow directions and change your filter every six ...

Dryers that don’t dry, vacuum cleaners that don’t clean, and air conditioners that don’t cool might be plagued by the same problem: a clogged or dirty filter. To keep many appliances in tip-top shape, ...

Nothing fills a person with dread quite like a misbehaving refrigerator, whether the appliance is humming but not cooling or has started mysteriously leaking water. Buying a new fridge is expensive, ...