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Hello, does anyone know if a floor sink is considered the same as a mop/ service sink in code speak? The reason I ask... I believe the mop sink in a restaurant should drain into a grease trap but no where in the code do I find the mention of this. Only a floor sink. I view a floor sink as an...

Hello and thank you everyone in advance for reading my post and or answering my question. I have a kitchen and laundry on the first floor with an inch and a half common vent heading up to the second floor with minimal space. My second floor toilet has an inch and a half independent vent. The...

Hello, everyone my name is Jason. I was hoping i could pick some brains about a clothes washer that is installed in massachusetts. I checked the forum for mass but no one goes there so I'm trying my luck here. Problem: washing machine was full of water and overflowing onto the floor. The...

Hello, I am installing a backflow that will cover 2 roof drains but its a required spec on the job, I don't suspect they will see much action. My question is, I want to install end clean outs immediately before and after the valve, for the next guy. I suspect if they ever want to snake it out to...

Hello I'm Jasen, I am installing a backwater valve on a residential multi-story unit strickly for 2 roof drains. The valves location and height, even at high tide, in the basement will make it not used much. My question is this , do I install an end clean out before the valve, after the valve...