Hobart 00-412788-00001 Thermocouple 18" Long.20-30 MV 1900 Series H/D

Special Price $62.64 Regular Price $81.35
In stock
SKU
00-412788-00001
The Hobart 00-412788-00001 Thermocouple 18" Long .20‑30 MV for the 1900 Series H/D is a temperature-sensing safety part used in gas equipment. It senses when a pilot flame and produces a small electrical voltage that tells the control valve to stay open. When the flame is extinguished, it ceases to produce the voltage and causes the gas valve to close to prevent the unsafe flow of gas. This is fitted in the burner assembly of the heavy-duty gas appliances and is used together with the gas control system to facilitate proper ignition and safe operation in the kitchen setting.

Dimensions

  • Length: 18 In
  • Width: 3 In
  • Height: 1 In
  • Weight: 0.1 lbs
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Product Notes

  • 1900 Series Heavy Duty Thermocouple 18" Long. 20-30 Mv
  • Coaxial Thermocouple Threads = 11/32"-32.
  • Cecilware
  • Fryer Gf10, Gf8
  • Grill Ag(1824,1836,1848,2424,2436,2448)
  • Jade Oven Jtrh, Jsr-(24,36)
  • Southbend Model Convection Oven 400 After 4-19-02.
  • Vulcan Hart
  • Grill G-40~
  • Series: 900, 900A.
  • Range Models 24,36,48,481,148,60,160,260, Ending
  • With Suffux L, Lc, Lcc, Series: 77R, Vg.
  • Wolf Model?
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Customer Questions
What maintenance is required for the Hobart 00-412788-00001 Thermocouple?

Inspect thermocouple connections for looseness and corrosion to ensure stable millivolt output. Clean terminals and check insulation for damage or heat damage. Secure mounting and verify temperature response accuracy periodically.

What are common issues with the Hobart 00-412788-00001 Thermocouple?

  • Weak or fluctuating millivolt output from degraded junction.
  • Inaccurate readings due to damaged or fatigued sensor wires.
  • Loose or oxidized connections causing intermittent signal loss.
  • Physical damage from heat stress or vibration exposure.

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Installation Steps

Step1: Turn off gas/electric and allow unit to cool completely to prevent burns or shock, damage.

Step2: Remove access panel and disconnect old thermocouple from control valve.

Step3: Position new thermocouple in burner flame path and secure mounting bracket.

Step4: Reconnect leads to correct terminals without overtightening.

Step5: Restore power/gas, test ignition, and check for stable flame signal and leaks.