What is the seat & lid weight limit? Sunny August 10, 2018 21:45 Updated Follow The seat has a weight limit of 330 pounds, and the lid has a weight limit of 270 pounds. Check out our Ergonomic Heated Seat article for more features! Related articles Does the seat stay heated at all times? Ergonomic Heated Seat How long does the warm water last? How long is the wash cycle? How do I clean my bidet seat?