Check the listing for details. Thermowatt rod thermostat length 450 mm range 68°-158°F long 181353 RTS3 20A. Condition: New. Listed at 45.90 USD. Rod thermostat Thermowatt length - 450mm 20A 250V 181353 For various boilers and heating elements Please note, this is the long version - 450mm Length: 450mm Range 68° F - 158°FRange 20°-70° degrees C°250V 20AOverheats fuse at 90°C (194° F) Suitable for the size and horizontal-horizontal hot water tank FeaturesIndependent non self resetting safety functionOver temperature cut outAvailable with single pole limiter or as control onlyFactory pre-set fixed temperature limiter, OEM adjustable or end-user adjustable control temperatureWire connectedOperationThe differential expansion of the sensing element causes the opening of a snap-action switch in the thermostat head. In case of abnormal temperature rise, a bimetal disc ensures double pole safety. The limiter is manually re-settable. Click here to see my other items Registered Shipping