A na-etinye njikọ (isi) nke thermocouple na ọkụ ọkụ dị elu, na-agbakwunye ike electromotive na-emepụta na mkpuchi nke valvụ nchekwa solenoid nke a na-etinye na valvụ gas site na eriri abụọ. Ike mmịpụta nke valvụ solenoid na-emepụta na-amịkọrọ armature na valvụ solenoid, nke mere na gas na-abanye na ......
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