The Whitman Controls TP Series Economical Stainless Steel Temperature Probe Switches are a creep action thermostat/thermal protector switch providing almost no differential between opening and closing temperatures. The switch is designed for use from 50˚F to 250˚F in 25˚F increments with a +/-5˚F tolerance. Special temperature ranges and configurations are available for OEM customers. The probe length is .625″ standard, but lengths from 0.0″ to 3″ (or longer) can be offered on a custom basis.