Tecmark 3903-DF Corporation Pressure Switch , 1A, 1/8″mpt, SPST, Field Adj Wholesale – Opentip

Description

Pressure Switch 3903-DF, 1A, Tecmark, 1/8″mpt, SPST, Field Adj

Tecmark Tridelta (TDI) ABS plastic Universal Pressure Switch for electric heaters used on spas and hot tubs, 3903. This is a very universal SPST, Normally Open, 1 amp, 1.5 PSI water pressure switch with two 1/4″ standard tab wire terminals (and also screw terminals), Common and NO. 1/8″ NPT plastic water connection threads and case are ABS plastic for corrosion resistance. Tridelta/Tecmark pressure switch 3903 is a very common 1/8″ pressure switch, and fits a variety of spa and pool heaters. Note: Tapered 1/8″ NPT threads to attach the water line or to screw into heater tube or header actually measures 3/8″ OD when measured across the threads.