nasty smell in laundry room

[Andrew John Beauchamp]

We have a sewer smell in the laundry room when water is run in the kitchen (but no where else in the house). At least 4 plumbers have looked for problems with traps to no avail and it isn’t coming from the drain in the floor. We had a leak detection company look for a leak in the vent system with smoke, found a toilet seal upstairs that was bad, replaced it with no improvement in the smell. Any ideas before I flush more money down the drain (so to speak)?

[SelgasParticipant]

Check and see if the water seal (trap) is clean and working fine in the laundry tubs. If there is not one fitted to the outlet drain then fit one – the water seal in the trap is designed to prevent drain odors from seeping back up the drain pipes.

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Selgas Services Ltd
Craftsman Gasfitters, Plumbers, Electrical Service Technicians

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