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Bosch Hvac 5181652 Pilot Burner Assembly Q3451 E V3

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Special Price $104.44 Regular Price $120.11
In stock
SKU
5181652
The Bosch HVAC 5181652 Pilot Burner Assembly Q3451 E V3 is a heating part of gas-fired HVAC systems used to initiate and maintain the main burner to ignite. It is made up of a pilot burner, orifice and mounting hardware that is installed to provide a controlled pilot flame on gas flow and control signals. The assembly is mounted in burner compartment of furnace or boiler and operate along with gas valve and flame-sensing control. It provides a secure method of ignition in heating operations, which allows the main fuel supply to be ignited and burn constantly.
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Heating & Furnace Parts, Burners
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Product Questions (2)
Customer Questions
What maintenance is required for the Bosch HVAC 5181652 Pilot Burner Assembly?

Regularly inspect the pilot assembly for soot buildup, dirt, or corrosion. Clean the burner tip and ensure proper flame alignment. Check gas connections for leaks and ensure ignition components function correctly for safe operation.

What are common issues with the Bosch HVAC 5181652 Pilot Burner Assembly?

  • Ignition failure or intermittent sparking.
  • Soot accumulation affecting flame quality.
  • Gas leaks from fittings or connections.
  • Flame sensor malfunctions causing shutdowns.

Installation Steps

Step 1: Turn off all power and gas supply to the HVAC system before installation.

Step 2: Remove the existing pilot burner assembly carefully, noting orientation and connections.

Step 3: Position the new pilot burner assembly securely in place, aligning with gas and ignition ports.

Step 4: Reconnect gas lines and electrical connections as specified in the installation manual.

Step 5: Restore power and gas, then test ignition and burner operation, checking for leaks and proper flame.