the 107194 Range Stop Screw

Precision Ports: Engineered for even flame distribution to maximize heat transfer across the heat exchanger

The assembly includes a heavy-duty spring

Its robust microprocessor-based design ensures reliable switching for heavy inductive or resistive loads

Will this fit the 1-1/4" Watts 909

Ranco A22-391 Control 30067439-890 the 107194 Range Stop ScrewThe Ranco A22 391 Constant Differential Control is a specialized temperature control switch engineered for high demand commercial refrigeration and freezer applications. This SPDT (Single Pole Double Throw) control is designed without an "off" position, ensuring continuous monitoring and regulation for HVACR refrigeration temperature control. With a constant differential of 8. 0F, it maintains tight thermal tolerances across its operating range. The