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Overview

The Q309A thermocouples sense the pilot flame on 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 mV.

Features

  • Push-in clip, split nut, or adapter assembly available (depending on model) for easy pilot burner installation.
  • Male nut connector for Pilotstat® safety control power units.
  • Available in a variety of lead lengths.

Product Specifications

Application
Thermocouple
Used With
Q303, Q305, Q308, Q314, Q324, Q327 Pilot Burners
Item Type
Product
Temperature Ratings (C)
Hot Junction--760 C; Cold Junction--416 C
Temperature Ratings (F)
Hot Junction--1400 F; Cold Junction--780 F
Voltage
30 mV; Open circuit output--18 mV to 32 mV
Connection Type
Split Nut
Resistance
0.02 ohms
Length (in.)
30 in.
Length (mm)
760 mm
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