Premium Superstat thermostat.

Uses high venturi for maximum cooling capacity during high temperature, high load oepration.

25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats.

Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance.

Thicker flange.
Premium Superstat thermostat. Uses high venturi for maximum cooling capacity during high temperature, high load oepration. 25% larger piston in diameter that delivers 1 1/2 the power of standard thermostats. Stanless steel flange is burnished to a bright finish for stress relief and added corrosion resistance. Thicker flange.