The Q390A thermocouples sense the pilot flame on standing pilot gas-fired heating systems. The pilot flame heats the tip of the thermocouple, producing a temperature differential between it and the base to generate 30 millivolts.
Honeywell Thermocouple, Male Connector Nut Connection, 30 mV, 0.02 ohm, Natural/LP Gas, 24 in L Lead, Import
Voltage Rating | : | 30 mV |
Gas Type | : | Natural/LP |
Domestic/Import | : | Import |