Installation 1 Connecting a discharge pipe to the o Wrap the threads of the 1-1/2 in. discharge pipe (1) with thread sealant tape. o Attach the discharge pipe (1) to the discharge of the pump [ =t 2 Placing the pump In a basin o Place the pump on a hard surface inside a sump basin. 3 Connecting the check valve o Connect the discharge pipe (1) to the elbow (2), union (3), check valve (4), and gate valve (5).