Tecmark Pressure Switch 3902


Aquarius Spa Parts

Regular price $117.70

Tax included.
Type of Product: Pressure switch
Manufacturer: Tecmark 3903 - 3903 is 3902 without screws.
Connection: 1/8 inch MPT screw thread to attach to heater tube. Switching mechanism tabs at the sides are 2 x flat spade connectors to attach the contact wire.
Dimensions: Height: 58 mmWidth: 50 mm
Commonly Used With: This product is in very common use with Gecko Spa Builders and Hydroquip control boxes. Used on tubs such as Arctic Spa Coyote Spa Dimension One Sunrise Hotspot Gulf Coast LA Spas Artesian Spas Gulf Coast Inspirations Hydrospa Southwest Spas and more
Additional Notes: It sometimes varies in appearance and the later ones are smaller red with a black underbelly.They do have a PSI gauge on the side but we would not usually recommend adjusting this or if you do do it very gradually.Most of the time you can tell if the pressure switch is seized because the small bearing inside will not rattle anymore.