Spark ArrestErs 

When driving steam engines on the road it is a legal requirement to fit a spark arrester, you will probably find it is also a stipulation of your insurance policy when on the rallyfield. 


Made to traditional designs, all arresters are made from heavy gauge steel wire and are Bright Zinc Plated for a long service life.

The range of model engine spark arresters are generally suitable for larger scale models.  For smaller chimney sizes please enquire

To order your spark arrester simply measure your Chimneys Internal Diameter and decide which style you would like. Send this information along with your contact details and a cheque payable to:

Jonathan Wheeler

Crown House, Pooley Street, South Lopham, Diss, Norfolk, IP22 2JX

Please note all P&P costs are for UK mainland only. For Export enquries please contact before ordering.

Should you not see what you are looking for please contact Wheeler Steam custom sizing and designs are also available.

For more information please contact or visit

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The most popular design, most sizes are available from stock.

Simply dropped in the top of the chimney.

Located using 3 legs on around the main ring.

Simply measure the the inside Chimney Diameter and choose the corresponding size from the chart below

Model Engine range

full size Engine range

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The Balloon spark type arresters are based on designs often supplied on continental and colonial engines which had to burn inferior fuels

The legs are normally straight which allows the arrester to sit directly on top of the chimney

Balloon Type Spark arresters are usually manufactured to suit your individual chimney top inside diameter. Hence delivery is generally 4 to 6 weeks.

Model Engine range

full size Engine range

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Based on a design used by commercial engine operators on the road. 


They fit neatly into the top of the chimney; the only visual part is the support lugs which which can be trimmed off to suit. Three set screws are simply adjusted and locked to locate the spark arrester in the center of the chimney for maximum efficiency. 

If preffered the arrester can be dropped in as required with a useful cross bar to aid fitting and removal.

Most common sizes available ex stock. Please allow 2-3 weeks delivery



£125.00 for Chimney I,D,  12.1/8" or smaller

£145.00 for Chimney I.D. 12.1/4" or larger

Prices include P&P

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