4 ms·
Could it be a drain pump noise propagating? Does it happens even when you don't send the water in the drain, but in a bucket?
by light_cone 6y ago
Could it be a drain pump noise propagating? Does it happens even when you don't send the water in the drain, but in a bucket?
- JoeAltmaier 6y agoNo drain pumps. My house is in the country, and uses a gravity-fed septic system.