PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) grasslin Matching the correct 3

Matching the correct 3

Useful when replacing a damaged or poorly seating original fitting

A properly selected cord helps support cleaner pump integration and contributes to more dependable control response

An adapter cord is useful because it helps preserve proper electrical connection for supported 2-speed pump systems while making the installation more compact and organized

A flow switch like this is useful because it helps the system verify water movement

PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) grasslin Matching the correct 3PresAir Trol Center Spout Pressure Switch [21A] [1 8" Barb] [SPDT] (PT11120A) is a replacement heater or heater service component from Presair Trol for compatible pool, spa, or bath heating systems. It is used when servicing worn, damaged, or failed heater assemblies where the correct model series, fuel or voltage configuration, sensor style, element size, or hardware fit must be matched. Use part number PT11120A when matching this item to an existing