Vacuum pumps are flange mounted for the receiver and equipped with standard motors. Pumps are bronze-equipped with detachable bronze putting on ring and with mechanical seals rated for temperatures approximately 250°F. An electrical solenoid make-up h2o valve with float switch Command is standard. Units typically out there in possibly simplex http://rafaeldfdea.jaiblogs.com/14588722/penn-pump-compressor-for-dummies