Required PSI Water Pressure for Appliances

It is important to have the right water pressure (PSI*) when connecting an appliance to a water line. here are the recommended PSI ranges by appliance: 

 

• Refrigerators - The water pressure must be between 20 and 120 PSI on models without a water filter and between 40 and 120 PSI on models with a water filter.

• Dishwashers - 20 - 120 PSI

• Washers - 20 - 150 PSI for top load washers and 10-120 PSI for front load washers

• Water Softeners - 20 - 125 PSI

• Reverse Osmosis Filtration - 40 - 125 PSI

• Whole Home Filtration - Up to 100 PSI

• Undercounter Filtration - 40 - 120 PSI

 

 

*PSI - pounds per square inch. Normal household PSI is approximately 40 - 45.