Thermocouple Tester is used for testing the correct operation of thermocouples. To do so the thermocouple is put into the unit and the tip heated whilst depressing the white button.
If the thermocouple is functioning correctly the plunger will remain depressed for approx. 20/30 seconds, simulating the operation of a gas valve.
£15.00 excl. VAT
5 in stock