PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) grasslin 5 kW pressure-style in-line heater

5 kW pressure-style in-line heater to restore reliable heating performance

Using the wrong extension can create panel issues that look like control failures when the real problem is the cable

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

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

Supports dependable drain port sealing

PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) grasslin 5 kW pressure-style in-line heaterPresAir 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