HWH Corporation
(On I-80, Exit 267 South)
2096 Moscow Road
Moscow, Iowa 52760

Phone: (563)724-3396 or (800)321-3494
Fax: (563)724-3408

Business Hours: 8 a.m. - 5 p.m. Central Time (M-F)

The World's Largest Manufacturer
of RV Leveling & Room Extension Systems
Zanetti Trailers System Diagrams


THESE DIAGRAMS ARE SPECIFIC TO SYSTEMS ON PARTICULAR VEHICLES.  TO FIND DIAGRAMS SPECIFIC TO A VEHICLE, THE SYSTEM OR INDIVIDUAL PART NUMBERS MUST MATCH THE EQUIPMENT ON THE VEHICLE.

GENERIC DIAGRAMS MAY BE AVAILABLE.  REFER TO "GENERIC SYSTEM DIAGRAMS" ON THE PREVIOUS PAGE.

BECAUSE THERE CAN BE CHANGES TO SYSTEM COMPONENTS, DRAWINGS LISTED HERE MAY DIFFER FROM EXISTING EQUIPMENT ON A PARTICULAR VEHICLE.  IF NECESSARY, CONTACT HWH CORPORATION FOR ASSISTANCE. 

LEGEND:  

UPLO ------ Universal Platform Level Out slide out
HP-----------Hand Pump

System #                            System Description                                         Hyd. Diagrams        Elect. Diagrams

No Number     1 - Room Control HP                                                             MP70902A-B           MP91168A-B
                        1-AP53482 Power Unit
                        1-AP55248 UPLO Kit w/AP43166 & AP43167 Mechanisms
                        1-AP55385 Panel / Harn / NMOM Kit

No Number     1 - Room Control HP                                                             MP71021A-B           MP91251A-B
Milner              1-AP53482 Power Unit
                        1-AP56413 USO Kit w/AP43166 & AP43167 Mechanisms
                        1-AP56939 Panel / Harn / NMOM Kit

No Number     1 - Room Control HP                                                            MP71022A-B           MP91252A-B
Duperior          1-AP53482 Power Unit
                        1-AP56413 USO Kit w/AP43166 & AP43167 Mechanisms
                        1-AP56941 Panel / Harn / NMOM Kit                       

 No Number     4 - Room Control HP                                                            MP71141                 MP91352
                        1-AP53482 Power Unit
                        3-AP55139 USO Kit w/AP43166 & AP43167 Mechanisms
                        1-AP58534 USO Kit w/AP57217 & AP57218 Mechanisms
                        1-AP58549 Panel / Harn / NMOM Kit                   

 No Number     4 - Room Control HP                                                            MP71349                 MP91576
                        1-AP53482 Power Unit
                        2-AP55139 USO Kit w/AP43166 & AP43167 Mechanisms
                        1-AP59634 USO Kit w/AP54709 & AP54710 Mechanisms
                        1-AP62227 USO Kit w/AP40009 & AP40010 Mechanisms
                        1-AP62228 Panel / Harn / NMOM Kit