Shower drain
2 inch. horizontal drain is back vented(1&1/2 inch) to main stack with wye & 45.what is the reason for disallowing the use of a Ty in order to eliminate the 45?could have found the ans. reading previous posts but most posters talk in code (the other code)like what part of a fitting is the back or heel?
goldie..
2 inch. horizontal drain is back vented(1&1/2 inch) to main stack with wye & 45.what is the reason for disallowing the use of a Ty in order to eliminate the 45?could have found the ans. reading previous posts but most posters talk in code (the other code)like what part of a fitting is the back or heel?
goldie..