What kind of air vent is needed for the potable water tank? Will a vent, and what kind of vent will be needed when draining the holding tank? Where to buy them? Again thanks.
Yes, you'll need vents on any tank that needs to be filled or drained. The air inside the tank needs somewhere to vent. This is usually accomplished with a fitting on the tank and the appropriate piping, typically located at the top of the tank.
Is this "food truck" a commercial endeavor?
BTW, it might be a better idea to have all of your questions in one thread rather than multiple threads asking about each item individually.
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