Wiring Diagram
Note: For proper operation of optional accessories, the wires from the thermopile to the control must be connected exactly as shown.
Replacement Parts
Note: Use only original replacement parts. This will protect your warranty coverage for parts replaced under warranty.
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| Thermopile |
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| Specifications | ||
Models VSGF36NTB and VSGF36NRB | |||
• | Rating (Variable) | 33,000/21,500 Btu/Hr | |
• | Type Gas | Natural Gas | |
• | Ignition | Piezo | |
• | Pressure Manifold | 3.5" W.C. | |
•Inlet Gas Pressure (in. of water)
Maximum 10.5"
| Minimum* | 5" |
• | Shipping Weight | 120 lbs. |
* For input adjustment |
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Models VSGF36PTB and VSGF36PRB | ||
• | Rating (Variable) | 33,000/21,500 Btu/Hr |
• | Type Gas | Propane/LP |
• | Ignition | Piezo |
• | Pressure Manifold | 7.9" W.C. |
•Inlet Gas Pressure (in. of water)
Maximum 13"
Minimum* | 11" |
• Shipping Weight | 120 lbs. |
* For input adjustment |
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Parts Under Warranty
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating Products’ Technical Service Department at
When calling DESA, have ready
•your name
•your address
•model and serial numbers of your firebox
•how firebox was malfunctioning
•type of gas used (propane/LP or natural gas)
•purchase date
Usually, we will ask you to return the part to the factory.
Parts Not Under Warranty
Contact authorized dealers of this product. If they can’t supply original replacement part(s), call DESA Heating Products at
When calling DESA Heating Products, have ready
•model number of your firebox
•the replacement part number
Note: The firebox identification label (including model number, serial number, clearances, etc.) is located on the right front edge of the firebox.
Technical Service
You may have further questions about installation, operation or troubleshooting. If so, contact DESA Heating Products’Technical Service Department at
You can also visit DESA Heating Products’techni- cal services web site at www.desatech.com.
Service Hints
When Gas Pressure Is Too Low
• pilot will not stay lit
• burners will have delayed ignition
• heater will not produce specified heat
• propane/LP gas supply may be low for propane/ LP unit
You may feel your gas pressure is too low. If so, contact your local gas supplier.
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