Brand New – 1/8 NPT threads into water fitting to sense whether or not there is flow from a pump though a heater before allowing the heater to start to heat. Used on pool, spa or hot tub heaters, and industrial applications. The item “Tecmark Pressure Switch 25A SPST 1/8 NPT 3029P Hot Tub Heater Control Free Ship” is in sale since Wednesday, May 14, 2014. This item is in the category “Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Spas & Hot Tubs”. The seller is “wwl-2008″ and is located in Des Moines, Iowa. This item can be shipped to United States.

• Brand: Tecmark
• Model: 3000 Series
• MPN: 3029P
• Country/Region of Manufacture: United States