Steamer unit shut down when I arrived. turned on and let fill when it came to reset pushed reset button,nothing happened. checked main valve it was in pilot mode. put to on and burner lit. let come to pressure was shutting off at 12 and overriding to 14. explained to her if they are using both steamers and then shop both at once it could override to 15 or 17 psi. pop off opens at 15. turned bottom cab. on and let pressure go down ,burners came back on at 9psi. set to on at 7 psi off at 10 psi. they are not using kettle. will be sufficient amount of steam to cook with. unit operational job complete. no leaks present.