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Gas Orifices Used to Convert Weber Barbecue Grill To LP or NG.

Converting any barbecue from one fuel type to another fuel type involves changing the Regulator and changing the Orifices. Every control valve has an orifice an appliance will use only one regulator. The regulator sets the gas pressure to the whole appliance. Depending on the amount of pressure in the manifold we will drill a hole in the brass orifice to set the BTU rating for the burner. We Drill Orifices Before Shipping when a regulator is selected to be installed with orifices. This will tell us the fuel type and the gas pressure. Both variables must be known for us to drill the orifices. Check the orifice diameter with a wrench or socket.

Conversion regulators and orifices Cannot Be Returned. Once the orifices are drilled, we do not have the ability to store them in our inventory. We drill the orifices per order so Please make the correct measurements as described to select the correct orifices or contact us for assistance. Drilled Orifices Cannot Be Returned.

Other Weber BBQ Orifices Weber Grates Weber Flavorizers Weber Burner Replacements

New spud orifice has 9/32 inch hex-head diameter. 9/32 is 7mm. Orifice fits many Pre-2006 Weber Spirit, Genesis, Summit model valves.
All rotisserie and single side burners in the last 25 years use this orifice
Pre-2006 Summit models used this orifice almost exclusively for about 35 years prior to the 2006 Weber changes.

Orifices are drilled to factory setting when used to convert Weber BBQ Grill to LP or to NG and are ordered with the appropriate regulator and connections.
Ordered alone, orifices are new, blank, and requires a licensed technician to set BTU rate.


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spud orifice for weber gas bbq grill valve

Check Hex-Head Diameter

weber genesis e series model valve summit rotisserie convert orifice to propane natural gas

Rotisseire Orifice is Same 88815 with different hole drilled through and located in back of the barbecue.

Convert Weber Summit
Summit models manufactured before 2006 often had the control valves shown in this image. The orifices in these valves measure 9/32 inch and can be replaced to convert a Summit model to LP or NG with orifice 88815.

Remove the orifice in the tip of the control valve. The orifice hex-head should measure 9/32 inch across the diameter from flat-to-flat.

Summit models with these orifices are the Best Barbecue Grill Models ever made by Weber in America.

This orifice should be selected when converting these Summit models to use propane or to use natural gas. To convert a Summit we'll need all the orifices from each control valve including main burners, smoker, rotisserie and side burner replaced with the NG or LP hose and regulator.

Orifice 88815 fits old and new Summit Rotisserie.

weber genesis e series model valve
Video Tutorial Conversion Instructions for Weber 310, 320 models Before 2010.

Weber Genesis and Spirit Convert LP or NG Instructions And Video for models before 2005

Convert Weber Gas Type
The older Weber barbecue models with the knobs and control valves on the side and the new Weber Genesis models with the control knobs in the front of the barbecue both use this orifice to determine the amount of gas flowing into the burner. In order to convert a Weber barbecue grill to use Natural Gas or to use Propane we will need to change all the orifices in the barbecue.

Remove the orifice in the tip of the control valve. The orifice hex-head should measure 9/32 inch across the diameter from flat-to-flat.

This orifice fits the models that came before and after the Genesis Silver, Platinum and Gold models which use a slightly larger orifice.

weber signature series valve orifice burner conversion

This older Genesis model with a side burner has the side burner that did not use 88815 to convert the fuel to use propane or natural gas as described in detail below.

Determine if your orifice is 3/8 inch or is 9/32 inch hex-head-diameter by sliding the manifold back from below the control panel. With the manifold and valves slid out of the tip of the pipe burner we can check the hex-diameter of the orifice in the end of the Weber control valve.

If the orifice is 9/32 inch wrench size then we will use orifice 88815 to convert this model of Weber to use propane LP or use natural gas NG.


Small 9/32 inch spud style orifice. Spud orifice fits many Weber models over the past 30+ years. Orifices are drilled to suit when used to convert Weber BBQ Grill to LP or to NG and are ordered with the appropriate regulator and connections. Ordered alone, orifices are new and will require a licensed gas technician for safe installation as the new orificies will need to be drilled based on fuel pressure.


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spud orifice for weber gas bbq grill valve

Check Hex-Head Diameter


LP hose with QCC-I type one regulator for all barbecue grills using 5 gallon, 20 pound propane refill tank.

Hose and Regulator assembly has handwheel for fat external threading on LP tank. Gas hose is Two Feet Long terminating with a three-eighths female flare nut attachment.


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grill parts bbq regulator and two foot long hose

40" LP Hose Regulator is the Same as above Regulator assembly in every way except the length of the gas hose. Threaded end has same female flared nut and terminates with QCC-1 fat threads of common LP tanks made for residential use.


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40 inch hose and lp regulator

Replacement Regulator for Natural Gas Grill with 1/2 inch female attachments. Buy this regulator for NG bbq grills and if you are converting a barbeque from LP (liquid propane) to natural gas.
LP regulator allows gas at approx 11 inches of water column and natural gas regulators regulate gas as low as 2 inches water column.


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natural gas regulator for bbq grill convert from lp to ng

In-Line Liquid Propane Appliance Regulator.

When using a large permanent propane tank, typically as supply for an entire property, the gas line will connect to the barbecue with this low-pressure LP appliance regulator.

When selecting this regulator, select the 10' gas hose assembly (88855) to install with this regulator because approximately 12 - 15 adaptors and threaded fittings are all included with the 10' gas hose to attach from the property shut-off, through the barbecue to the LP supply.


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liquid propane regulator for bbq grill convert from lp to ng

Weber Tank Scale. The Weber tank scale supports the common 5 gallon (20 Lbs) LP cylinder. Inner gauge shows LP tank fill level. Although easily installed and convenient, the scale is considered Mandatory by Weber because immobilizing the LP cylinder in position is a prerequisite of the CSA safety certification and Residential UL Listing.

Denoting LP levels is convenient but the actual purpose of this scale is Safety and is Required for Weber to include on All LP models.


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weber lp tank support scale

Ten foot Long Quick Connect Gas Hose Includes Fittings, Thread Convertors, Threaded Unions and Necessary Installation Adaptors.
Heavy quick connect coated hose designed for LP and NG outdoor strength.

Connecting from the BBQ to the mounted shut-off connection uses approximately a dozen fittings, threading adaptors and unions. All These Adaptors Ship Included With This Gas Hose Kit when ordered with the regulator and orifices so we can I.D. the BBQ.


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gas hose

In the side burner range images shown on the left and right and center of this lower part of the page we can see Two Different Weber Side Burner designs.

The design in the schematic below has a 3/8 inch hex-head-diameter orifice located in the tip of the control valve.

The side burner design on the right side of this page shows the current side burner used in All Weber models for the last 20 years. This orifice is accessible from the top of the side burner. This current side burner uses orifice 88815 which is 9/32 inch hex-head diameter. Side Burner. Lift off the grate, the round black heat shieled and the cast aluminum side burner burner and we can access the 88815 gas orifice. Weber side burners also use this same orifice.

Convert the Weber side burner to LP propane or NG natural gas. Side burners 20 years ago have the orifice in the end of the control valve -- orifice 88332. Newer side burner designs will have the round burner on top which lifts straight up and off the burner and the 88815 orifice is right on top, easily accessed.

older weber side burner conversion to LP and ng

The gas line attaches to the manifold which is simply a pipe that fills with gas and has the control valves attached so the valves can draw gas from the manifold pipe. The tip of the control valve that slides into the burner is the orifice. The orifice has a small hole drilled in the tip. The size of the hole in the orifice determines whether the barbecue will burn LP or NG and what BTU setting will burn.

weber side burner parts schematic for fuel conversion

Side burner schematic above is used in current Spirit and Genesis models but has also been used for about 20 years.

Drilled Orifices Cannot Be Returned.

natural gas and propane orifice holes drilled

Convert the Weber side burner on the left side by changing orifice 88332 located in the tip of the control valve. Convert the newer side burner shown on the right side of this image by lifting the round disc to expose orifice 88815. Check hex-head-diameter to be sure.

convert weber side burner to LP or NG


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