Posted 7/1/2025 20:58 (#11282845 - in reply to #11281818) Subject: RE: connecting laterals to 9-18" mains
Central NY
If you’re considering using a regular internal coupler, Could you just drill the hole size necessary to slide the dual wall 4” directly into the larger main?
Assuming the main is sized large enough you can afford to have them sticking in an inch and obstructing some flow when running over half full
connecting laterals to 9-18" mains
