Generic Controller Learning or Reverse wire

Easy access to ball checks and fluid caps for maintenance and repairs. Cozyel 12 GPM Air-Operated Air Diaphragm Double Diaphragm Pump Cast Iron 115. A diaphragm pump (also known as a Membrane pump) is a positive displacement pump that uses a combination of the reciprocating action of a rubber, thermoplastic or teflon diaphragm and suitable valves on either side of the diaphragm (check valve, butterfly valves, flap valves, or any other form of shut-off valves) to pump a fluid.