The macerating unit must be vented. It has 2 inlets on the top of the cover: a 1 1/2” cap and a hole of smaller diameter.
The unit must be connected to a vent system according to the plumbing codes.
Put the waste inlet (provided) on the cap and clamp it down.
After, connect the vent pipe. All fixtures connected to the system must also be vented.
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To connect to the side entries of the case, use the side connector.
Secure with clamps.
Plug the unused inlet with blanking plug after greasing the joint.
Ensure when connecting a shower to the macerating unit that the underside of the shower tray is raised at least 9 inches from the floor.
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These macerating units have an elbow and a bushing.
Simply cut off the appropriate portion of the bushing in order to fit it to the discharge pipe.
Use ridged wall pipe, not flexible pipe or hose, as flexible pipe may distort over time. Use 3/4” or 1” discharge pipe.
Install a “full-part” ball or gate valve and a union in the discharge pipe in order to facilitate the removal of the macerating unit. Place the union or hose connector followed by the valve of the lower portion of the discharge pipe. If you need the unit to pump both vertically and horizontally, remember that 3 feet of vertical lift is equal to 30 feet of horizontal run.
Discharge pipe work can be made from 3/4” diameter Type M Copper, CPVC, or PVC. Use long turn bends, not elbows. The connection to the soil-stack or sewer pipe must be made with an approved wye fitting. If you are not comfortable with this procedure, have a plumbing contractor install for you.
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