Adcraft 21424 Thermopile 2 Lead 36" 250-750 MV

SKU: 21424 1-21424 Brand:
Adcraft
Availability:
In Stock
(0)
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Specifications:

  • 36" 2 Lead, Thermopile, 250-750 Mv, Robertshaw 1950-53B
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Description

The Adcraft 21424 Thermopile is a vital part that uses heat from a flame to create an electrical voltage that can be detected, enabling it to read the temperature variation. It has two leads and generates between 250 and 750 millivolts that are used to operate gas safety and control systems. This thermopile is 36" long and is intended to be installed in burners, ovens, or other gas-fired appliances so that it can be exposed to the heat source, but the control circuitry can be connected. Its size is small enough to be integrated without causing interference with the other components.

Dimensions:

  • Weight: 0.28 lbs
  • Length: 3.5 in
  • Height: 1 in
  • Width: 2.5 in

AMERICAN RANGE:

A11102 AMRA11102

ATOSA:

301030006

BLOOMFIELD:

2T-42195

CECILWARE:

F178A F178AL F178F GMF178A GMF178F

CLEVELAND:

20410 CLE20410

DEAN:

810-0159 810-0617-1 810-06171 8100159 8100617-1 81006171

ENTR?E:

400043-1

FRYMASTER:

810-0159 810-0617-1 810-06171 8100159 8100617-1 81006171 FM810-0159 FM810-0617-1 FM810-06171 FM8100159 FM8100617-1 FM81006171

GARLAND:

2525-1 G02525-1 GL1292900 GL2525-1 GLG02525-1

GRINDMASTER:

F178A F178AL

GROEN:

1126 GR001126 GR1126

HOBART:

00-410839-00004 00-497301-00001 00-721027-00001 00-722158 21027-1 410839-00004 410839-4 497301-00001 497301-1 721027-00001 721027-1 722158

IMPERIAL:

1096 IMP1096

JADE RANGE:

8800000012

KEATING:

022770 22567 22770 4186 KEA22567 KEA22770 KEA4186

LANG:

2J-80504-04 80504-04

MARKET FORGE:

93-0189

SOUTHBEND:

1182154 SOU1182154

STAR MFG:

2J-1182154 2J-80504-04 2J-Y9270 2T-42195 2T42195 42195 4T42195 62195 WS-62195 Y9270

STERO:

STA2T-42195 STA2T42195 STA42195

TRI-STAR:

300157 AS-300157 TRS300157

U-LINE:

1950-532 1950-53B

VULCAN HART:

00-410839-00004 00-497301-00001 00-721027-00001 00-722158 110839-4 21027-1 33681-12 410839-00004 410839-2 410839-4 497301-00001 497301-1 721027-00001 721027-1 722158 VH110839-4 VH33681-12 VH410839-2 VH410839-4 VH497301-1

Step1: Shut off gas and electrical power to appliance before starting.

Step2: Remove access panel and carefully locate old thermopile assembly.

Step3: Disconnect lead wires carefully, noting their original positions.

Step4: Unscrew and remove old thermopile from pilot bracket.

Step5: Install new thermopile unit and secure in pilot area.

Step6: Reconnect leads ensuring correct polarity and tight connections.

Step7: Restore gas, relight pilot, and test flame signal operation safely.

  • What maintenance is required for the Adcraft 21424 Thermopile?

    Inspect the thermopile connections regularly and ensure terminals are tight and free of corrosion. Keep the unit clean and properly aligned with the pilot flame. Proper control ensures stable millivolt output and accurate gas valve operation.

  • What are common issues with the Adcraft 21424 Thermopile?

    • Weak or no millivolt output.
    • Intermittent pilot signal loss.
    • Corroded or loose lead connections.
    • Misalignment with pilot flame.
    • Thermal fatigue of sensing junction.
    • Contamination affecting signal output.

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