Pres Air Trol TinyTrol DPDT Momentary Air Switch (TRM211A) prostar 0kW heater using the 3-74-7036

0kW heater using the 3-74-7036 reference

A return face cover is useful because it helps finish the return opening neatly

and this Hayward manual version is designed for Swim-Clear and Pro-Grid applications from 2007 forward using the DEX2420MAR2 reference

or no longer sealing or functioning properly

Pres Air Trol TinyTrol DPDT Momentary Air Switch (TRM211A) prostar 0kW heater using the 3-74-7036The PresAir Trol TinyTrol DPDT momentary air switch is built for compatible pneumatic control systems that require a momentary double pole double throw switching response. In these systems, the switch must react cleanly to a brief air pulse and then return as designed. This model is especially valuable when the original air switch has become inconsistent or no longer returns and switches correctly during use. Installing the proper momentary