PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) flocontrol Timer mechanisms are useful because

Timer mechanisms are useful because they allow the working control portion to be replaced without necessarily replacing the full external enclosure

The SP14983S is a practical replacement fitting for compatible Hayward systems that need renewed union support and dependable thread-to-slip performance

Purpose-built design focused on high-demand heating performance

This version is especially useful when the installation calls for a 240 volt pump

or the overall performance of the seat may begin to drift

PresAir Trol Center Spout Pressure Switch [21A] [1/8" Barb] [SPDT] (PT11120A) flocontrol Timer mechanisms are useful becausePresAir 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