Replacement Spa Heater Pressure Switch - 1657

Premium Long-Life Adjustable Spa Heater Pressure Switch, 3010, by Tecmark. Features stainless steel body and threads for extended service life and avoidance of cross-threading issues associated with plastic threads.

• Extended service-life version
• 1/8" NPT stainless thread (3/8" actual O.D.)
• 1-5 PSI adjustable thumb dial
• 2-Terminals: NO, common

Product Notes: 25A. Replaces 3010P (plastic version),