Tecmark Pressure Switch 3902

Tecmark Pressure Switch 3902 Committed to quality, delivery and service Tecmark Series 3000, 3900 and 4000 Pressure Switches convert a positive or negative pressure signal (range 2” W.C. to 100 PSI) to an electrical output. Tecmark Pressure Switches are available in various configurations for air, gas and liquid sensing applications. Tecmark switches can sense pressures as low as 2″ w.c. up to 100 PSIG with electrical ratings up to 25 amps.

Additional Information

Alternate Part Numbers

• 5-20-0030
• TDI3902
• 36142

Exploded parts diagrams: This part is shown as item #6 on the Hydro-Quip HeatMax Electric Pool & Spa Heater, 5.5kW/11.0kW; item #27 on the Pentair Minimax 150 – 400 Heaters (Mfg 1991-1997); item #13 on the Pentair Tropic Isle 60 Heater; item #14 on the Waterpik Laars Spaworks Electric in-line heater; item #11 on the Waterpik Laars Hot Shot Model 100, Mfg. 2001-2004; the Pentair Tropic Isle 120 – 400 Model Heaters exploded parts diagrams.

🔧 Pentair Tropic Isle 60 Heater – exploded parts diagram

The numbered parts below make up this assembly. Parts we stock are linked – click any to view.