Medium
S.041 on Vaillant Turbomax 242/282 1E

Your boiler has detected that the water pressure in your heating system is currently too high for safe and efficient operation.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

The water pressure in the heating system is too high.

Shared across the range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Locate a radiator in your home with a bleed valve.Use a radiator key to slightly open the valve and release some water into a container.Monitor the pressure gauge on your boiler until it drops to the recommended range of 1.0 to 1.5 bar.

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Avoid the next call-out bill

A cover plan would handle faults like S.041: no call-out fees, no surprise bills.

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Related fault codes

All 172 fault codes on the Turbomax 242/282 1E

Seeing a different code? Every code this model can display, in one place.

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