After removing my toilet, I see that it has two openings, a 3" opening in the front (connects to the main drain) and there is a smaller opening in the back for venting. Is it a 90 degree heel elbow used upside down? Should this be corrected?

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Originally Posted by mes02

After removing my toilet, I see that it has two openings, a 3" opening in the front (connects to the main drain) and there is a smaller opening in the back for venting. Is it a 90 degree heel elbow used upside down? Should this be corrected?

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Definitely.

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Originally Posted by iamgrowler

Definitely.

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What kind of problem will this cause, if I leave it alone? I was thinking about adding a washer drain after the toilet ties into the main drain then heads for the sewer and revent (washer) to the toilet vent. Currently the toilet is the last fixture that ties to the main drain before it leave the house.

- Thanks

Quote:

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Originally Posted by mes02

What kind of problem will this cause, if I leave it alone? I was thinking about adding a washer drain after the toilet ties into the main drain then heads for the sewer and revent (washer) to the toilet vent. Currently the toilet is the last fixture that ties to the main drain before it leave the house.

- Thanks

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Listen to Growler. He's giving you top drawer advice. It's against code to use a side or heel inlet closet bend as a vent unless it's washed by a vented fixture. But wait! You have more problems with that set up. The ell's turned downward out of the heel so that every time you flush the discharge will go directly into the very fitting that you wish to use as a vent. Change the hell i8nlet closet bend for a regular one. Install your washer and let it wet vent the toilet5 at the same time it vents the washer. Good luck, Tom