Lower Piping Assembly TR60 BOTTOM PIPING ASSEMBLY FOR THE SIDE MOUNT TR-60. THIS DOES NOT INCLUDE THE BOTTOM HUB. THE END TOWARD THE BULKHEAD FITTING HAS 2" FPT THREADS. THE END TOWARD THE LATERAL HUB HAS 2" MPT THREADS. THE 90 DEGREE ELBOW HAS THE SPECIAL FITTING BUILT INTO IT. THAT THE AIR RELIEF CONNECTOR ATTACHES TO.. THE UNIT BASICALLY CONSISTS OF A 2" FEMALE ADAPTOR, 2". 90 DEG ELBOW W/SPECIAL FITTING, AND A 2" THREADED NIPPLE. THE FEMALE AND THE 90 ARE JOINED WITH 2" PVC PIPE TOTAL LENGTH (FROM END OF FEMALE TO END OF 90 DEG) 11-1/4" (FROM END OF NIPPLE TO TOP OF CONNECTOR) 8-1/2" STRAIGHT PIPE ONLY LENGTH BETWEEN ELL AND FEMALE: 5"