Tornado Base Plate Shroud Gasket 19164

This gasket seals the brush shroud against the base plate. It is the part that turns a shroud that merely closes into a shroud that seals, and without it the vacuum nozzle draws easy air from around the edge instead of wet air through the carpet. Part number 19164 is the genuine OEM base plate shroud gasket for the MWH-800, Marathon 800 and Marathon 1200 extractors.

Compatible Models for the Base Plate Shroud Gasket

This part fits the following Tornado machines:

• Tornado 98164 MWH-800 8-Gallon Self-Contained Carpet Extractor
• Tornado 98166 20″ Marathon 800 Carpet Extractor (8 Gallon, 115V)
• Tornado 98167 20″ Marathon 800 Carpet Extractor (8 Gallon, 230V)
• Tornado 98168 12 Gallon Self Contained Carpet Extractor
• Tornado 98168 20″ Marathon 1200 Carpet Extractor (12 Gallon, 115V) — all series
• Tornado 98169 20″ Marathon 1200 Carpet Extractor (12 Gallon, 230V)

The symptom is carpet that comes up wetter than it should with no other fault you can find. Suction at the hose feels normal, the tank fills, the filter is clean — and yet the pile stays damp. That pattern is the signature of air entering at the shroud rather than through the carpet, and this gasket is usually why.

Inspect it with the shroud open and a light. What you are looking for is not tears but flat spots: a gasket that has taken a permanent set no longer springs back to meet the base plate, so it seals under hand pressure on the bench and not under working conditions. Run a finger along it — a healthy gasket feels resilient, a finished one feels hard.

Detergent and heat are what age it. Cleaning chemicals soften the material and then embrittle it, and a gasket on a machine in daily commercial use has a life measured in seasons. A gasket that has gone chalky or that shows fine surface cracking is at the end even if it is still in one piece.

Before ordering, rule out the parts that produce the same gap. A worn shroud pivot bushing, a bent latch bracket or a hinge with elongated slots all let the shroud sit a millimetre or two out, and no gasket compensates for that. Close and latch the shroud and look at the gap along its edge: even and small means the mechanism is right and the gasket is the variable.

Fit with both mating faces clean and dry. Remove all the old gasket material rather than leaving patches, seat the new one without stretching it — stretched gasket pulls back and leaves a gap at the corners — and close the shroud a few times to let it settle before checking the seal.

Browse every assembly for this machine on the Tornado 98168 Marathon 1200 parts hub, and see the manufacturer’s range at tornadovac.com.

Frequently Asked Questions

What Tornado machines does the base plate shroud gasket 19164 fit?

It is used on the Tornado 98164 MWH-800 8-gallon self-contained extractor, the 98166 and 98167 20″ Marathon 800, the 98168 12 Gallon Self Contained extractor and the 98168 20″ Marathon 1200 in all series. Call 763-535-0770 with your model number if you are not sure.

The carpet stays damp but suction feels fine — is this the cause?

Very often. If air enters around the shroud edge instead of through the carpet, the hose still feels strong and the tank still fills while the pile stays wet. That is the signature of a shroud that closes but no longer seals, and this gasket is usually why.

How do I know the gasket is finished if it is not torn?

Look for flat spots rather than tears. A gasket that has taken a permanent set does not spring back to meet the base plate, so it seals under hand pressure on the bench and not in use. Run a finger along it: healthy feels resilient, finished feels hard, and chalky or finely cracked means it is done.

How do I order the Base Plate Shroud Gasket (part# 19164) or get help?

You can add the Base Plate Shroud Gasket (part# 19164) directly to your cart on this page, or call us at 763-535-0770. Our staff at 5415 West Broadway, Crystal, MN 55428 has been servicing Tornado equipment since 1956 and can help confirm the right part for your machine.

Questions? Call us at 763-535-0770 or visit us at 5415 West Broadway, Crystal, MN 55428.