
ADDITIONAL INFORMATION:
Suction tubes are made from black steel pipe. The tubes in this chart are based on using no check valves. Subtract 5" from the tube length if using a 5:1 low-level cutoff.
23" Long Black Steel Downtube
For 5:1 Thunder Pump or 9:1 pump. 1-1/2" NPT (M) thread on both ends.
For 5:1 Thunder Pump or 9:1 pump. 1-1/2" NPT (M) thread on both ends.