Have one floor drain in mechanical room. Looking for best ways to organize this. The furnace condensate, water heater T&P, and drain pan all feed into the same drain. I also have a washing machine. I doubt I can get these to all fit, are there some best practices for these situations? I’m thinking of forgoing the drain for washing machine and putting a sensor in the pan. Since high efficiency and it’s not going to be behind closet doors should be easier to monitor. How do I clean up the floor drain though? Do people use zip ties or something? I’m somewhat concerned if I cut back the copper to be 1-1/2” above the drain (air gap) it will spray all over the floor given the other pipes that are in the drain already. Should I put a 3” to 1” reducing fitting as a funnel of some sort?
Multiple appliances discharge into one floor drain.
- Thread starter PepeLePue
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John Gayewski
In the Trades
Does you furnace have an upper and lower condensate drain? If so that probably has to stay. The other two upper ones can probably go into a reducer that is piped to the drain.
It's not a basement? If it is then the t&p can just go straight to the floor and doesn't need to be piped to the drain.
It's not a basement? If it is then the t&p can just go straight to the floor and doesn't need to be piped to the drain.
Jeff H Young
In the Trades
maybe use a laundry stand pipe for t and p or condensate ? might be too high for the furnace
Laundry standpipe is too far but that could have been a good idea. I'm thinking may re-route the condensate drain for the furnace and the T&P into a funnel using 3" to 1" reducer coupling.. just not enough space otherwise.
Jeff H Young
In the Trades
looks like you have a stack right there but if you use that it would need a vent or AAV if permited and possibly a trap primer .
its a bit of work I don t like those crowded floor drains kind of pet peeve wouda been nice to think of that during the build .
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