PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) grasslin Useful when replacing a damaged

Useful when replacing a damaged or poorly seating original fitting

Replacing an aging valve helps restore system balance

even a working control panel can feel dated or confusing

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

PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) grasslin Useful when replacing a damagedPresAir 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