YOU DONT BLOW INTO THE SWITCH
YOU BLOW FROM WHERE THE HOSE CONNECTED TO THE SWITCH TO THE STOVE
If you blew into the switch with Compressed air you may have Blown the Diaphragm in side the switch.
You can gently blow and suck into the switch and see if you HEAR the diaphragm move in and out.
the Barb/Port/Hard tube that the hose connect to the stove(NOT THE SWITCH) is there the problem NORMALY is.
YOU BLOW FROM WHERE THE HOSE CONNECTED TO THE SWITCH TO THE STOVE
If you blew into the switch with Compressed air you may have Blown the Diaphragm in side the switch.
You can gently blow and suck into the switch and see if you HEAR the diaphragm move in and out.
the Barb/Port/Hard tube that the hose connect to the stove(NOT THE SWITCH) is there the problem NORMALY is.