Add to Cart Quick view SALE Invensys Appliance Controls Thermostat, Invensys, Ramco, 5/16", 36", SPDT, 25A $140.95 $73.95 ThermostatsSingle pole rated at 25 amps with max temp rating at 107°F. Best results are obtained when the bulb is installed in a dry well or groove tube at or immediately before the heater. This is a Safety device! If it is found to be out of... Add to Cart Add to Wishlist