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Customer Questions and Answers for Venturi Gas Tube by Bosch

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Manufacturer Part
4.89 (64)
By: Bosch
Part Number: OEM8475789
Manufacturer Part Number: 00189023

The Venturi Gas Tube is an OEM replacement part for Bosch gas cooktop ranges. Its primary function is to ensure an optimal gas/air mixture for consistent and efficient burner combustion, thereby enhancing the overall performance of the cooktop.

Causes involve normal wear of internal components from continuous heating and cooling cycles. Corrosion damage may also disrupt the venturi tube over time.

Symptoms of a faulty venturi gas tube include:

  • Unstable or hard-to-control flame levels
  • Potential issues shifting burner flames out of their intended position
  • Safety risks including carbon monoxide from improper fuel/air balance

This OEM Bosch part is also compatible with Thermador, Gaggenau and some Kenmore models.

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Questions & Answers

For Bosch Venturi Gas Tube (Part Number: OEM8475789)

1 Answer

Robert, to convert back to NG you'll need to order the jet holders. For the two 1200 btu burners use part number 00188974, for the two 8000 btu burners use part number 00188972 and for the 1500 btu burner use part number 00188976. Thanks!

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1 Answer

Slav, You'll need to be very careful if you're going to use an "easy out" or drill bit, you'll probably damage the orifice holder 00415498 and or the gas supply tube 00487244. 10 mm is a bit small,but it is a "metric" dimension. You'll want to have some anti seize compound handy when you put the burners back together, that will help to keep the venturi from seizing to the orifice holder in the future. The threads on the venturi and orifice holder are "standard" threads(clockwise to tighten, counter clockwize to loosen).

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David Van N. for Model Number Thermador prg 364 glus

The range elements are not lighting up properly The LT front will only light if you turn both the lt front and rear elements on together and then the Front will only stay lit for 1-5 minutes at which time the ignitor attempts to relight but it does not. The Rt side seems to take longer to ignite and starts with a small pop. I had a repair tech in and he could not get the venturi nut to loosen and suggested we get a new range -- We Love this range it suits the decor and help in the diagnosis would be appreciated

1 Answer

David, At this point, it sounds like a gas supply problem. You will want to check or replace the gas regulator 00754658 and or have the gas company check the pressure to the range at the wall connection

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1 Answer

Hi Fabrizio. The venturi nut moves off in the counterclockwise position. Now it appears by description that it is stripped and turning free. The question now is what burner are you describing so we can provide the correct burner tube assy. ? The front lt and rear rt. are the same jet orifice part # 00188972. The front rt. and the left rear are the part # 00188974. The top brass nut is part # 00188978. Please let us know if you will need the burner tubes for each burner. Thank You.

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1 Answer

Hi Reg. The venturi 00189023 is right hand threads.It is 10.5 mm, so this is the size of the socket you will need. Yes, it will unscrew from the top of the burner base.You will need a metric socket set to remove the venturi. Thank You.

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1 Answer

Hello Thomas. There should be a tag on the unit stating if it is natural gas or LP gas. As long as the tank has a regulator for the unit, you can hook it up to a grill tank. Hope this helps.

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1 Answer

Hi Jim. Yes, your unit does use this venturi part # 00189023. It is 10.5 mm, so this is the size of the socket you will need. Yes, it will unscrew from the top of the burner base. Thank You.

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