AIRSWITCH Air Switch MPASHU506 Herga , MPASJAG, Ultra Jet® pump air switch, air switch for Ultra Jet® pumps, Air Switch TBS301 TBS310 MPASHU506 airswitch, TBS346A, TBS305

Airswitch, Air Switch for Pumps, 9/16-18 Thread with Retaining Nut Latching Type Switch.

Fits many pumps with threaded air switch. Numerous types used over the years, the TBS310 is the most commonly available type. The older Herga, Pres-Air, and other brands are not often used in presently manufactured bath pumps.

Shown are air switches for pumps made by Herga Electric Ltd., Tecmark, and Presairtrol. They are held onto the motor by a threaded nut, 9/16-18 thread. Thread Outside Diameter is approximately 0.55" Labeling has varied over the years, but usually says 6871-AEF-U526, or TBS310A.

Ultra Jet® pump air switch, air switch for Ultra Jet® pumps, Air switches for Lasco tubs, Universal Rundle tubs, Crane Plumbing tubs, and some Kohler or American Standard tubs have sometimes been an air switch made by Len Gordon.

These are marked JAG-4X25A or similar. Air switches made by Pres-Air-Trol were marked TVA425C or TVA111K or similar. Tridelta or Tecmark air switches for this application with threaded body and flat panel nut are marked TBS-346A, TBS305, TBS-301 or TBS-310 or TBS-302, and if from Hydrabaths, p/n is 700325 air switch airswitch.

Note: use this switch to replace 10 or 20 minute timers in pumps that have failed. Timer boards are not readily available any longer, and replacing them with a simple air switch is a cost effective and reliable way to repair a pump.

Note: the TBS310A is the most universal and most popular, and most frequently shipped. If you want a different brand, please leave us a detailed note in the Order Comments, and we will check stock and supply IF we have it. We can NOT guarantee any particular brand will be sent to you. TBS301A is the common, standard, in stock type. All of these are completely interchangeable with each other, serving the same on-off function, fitting the same size mounting hole, etc., etc.