The Q340A 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 Connection, 30 mV, 0.02 Ohm Resistance, Liquid Propane Gas, Natural Gas, 36 in Lead Length, Domestic/Import: Import
| Connection Type | : | Male |
| Domestic/Import | : | Import |
| Gas Type | : | Liquid Propane Gas, Natural Gas |
| Lead Length | : | 36 in |
| Resistance | : | 0.02 Ohm |
| Voltage Rating | : | 30 mV |
Honeywell Q340A1090/U