Tecmark Pressure Switch

A water-pressure safety switch that closes its contact once flow reaches set pressure, confirming water flow before a heater or other load can energize. The Tecmark 3029 is the stainless, 1/8" MPT, SPNO version.

Key Features

• Stainless steel threads
• 1/8" male pipe thread connection
• Single Pole Normally Open (SPNO)
• 25A rating
• 1 to 5 psi pressure rating

Compatibility

• StaRite Max-E-Therm SR-200, 333, 400 water systems
• Pentair MasterTemp gas heater water systems
• Raypak 5.5kW and 11.0kW heaters
• Waterpik/Laars/Elecktra Star Mfg. 1995-2000

The similar-looking Tecmark 3029P has plastic threads, a 3/8" fitting, and is SPST rather than the stainless, 1/8" MPT, SPNO 3029 — they are not the same switch.