What is the acceptable capacity of the discharge pipe for macerating toilet assemblies?

For macerating toilet assemblies, the acceptable capacity of the discharge pipe is 1 1/4 inches in diameter. This size is crucial because macerating toilets are designed to handle waste and water efficiently, and the discharge pipe must be sufficiently sized to prevent blockages while accommodating the macerated waste that is typically more viscous than conventional waste.

A 1 1/4-inch discharge pipe provides an adequate flow rate, allowing the effluent to travel without causing back pressure or excessive waste accumulation within the system. The use of larger pipes, while tempting for increased capacity, can lead to issues such as incomplete waste evacuation or increased costs without additional benefits in this specific application.

Smaller pipe diameters might not provide enough volume for proper waste transport, leading to clogs and inefficiency in the functioning of the macerating unit. Hence, the 1 1/4-inch dimension strikes a balance between capacity and effective waste management in macerating toilet assemblies.