Pres Air Trol TinyTrol 3PDT 3-F Air Switch (MTK211A) aandamfg It is a practical replacement

It is a practical replacement when both style and performance need to be restored together

A weir float is useful because it helps maintain proper movement and buoyancy at the skimmer opening

plumbing position

water exposure

Matching the correct after-1995 design is especially important in legacy equipment families where older and newer revisions do not always interchange cleanly

Pres Air Trol TinyTrol 3PDT 3-F Air Switch (MTK211A) aandamfg It is a practical replacementThe PresAir Trol TinyTrol 3PDT 3 function air switch is designed for compatible pneumatic control systems that require a more complex switching arrangement in a compact package. Air switches like this are useful because they let the system convert a simple burst of air pressure into an electrical switching action without placing electrical controls directly at the users touch point. This model is especially valuable when the original switch has failed