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
Lifeline Mobile Operator Manuals


Rooms Only

ML40087 - General room information

625 System

ML38142 - 625 Series, computerized leveling system with straight jacks, front jack equalization - no room extensions

625S System

ML37364 - 625S Series, computerized one-touch leveling system with straight jacks
ML37572 - 625S Series, computerized one-touch leveling system with straight jacks, pilot air dump & multiple room extensions
ML38020 - 625S Series, computerized one-touch leveling system with straight jacks, multiple room extensions

725 System

ML54465 - 725 Series, single touch computerized one-touch leveling system , 4 straight-acting, Power-extend/Power-retract jacks with auxiliary hand pump, Remote Room Manifold, 5 Universal Level Out Room Extensions

ML54489 - 725 Series, single touch computerized one-touch leveling system for trailers, 4 single-acting jacks, auxiliary hand pump, 6 Universal Level Out Room Extensions

2000 System for Towable Vehicles

ML43899 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 double-acting jacks OR 4 single-acting jacks OR 2 double-acting front jacks and 2 single-acting rear jacks with 2 jack remote manifold & auxiliary hand pump for trailers

ML44082 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 double-acting jacks OR 4 single-acting jacks OR 2 double-acting front jacks and 2 single-acting rear jacks with auxiliary hand pump for trailers

ML48662 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 double-acting jacks with 2 jack,1 ULO room remote manifold & auxiliary hand pump for trailers

ML48689 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 Straight-Acting, Power-Extend/Spring Retract jacks, 3-4 Level Out Room Extensions with pump mounted room manifold

2000 System for Motorized Vehicles

ML46905 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 straight-acting, Power-extend/Spring-retract jacks with 4 room remote manifold, 4 Universal Level Out room extensions & auxiliary hand pump

ML48051 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 straight-acting, Power-extend/Spring-retract jacks with auxiliary hand pump

ML50296 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 straight-acting, Power-extend/Spring-retract jacks with auxiliary hand pump, remote manifolds, 6 slide-outs 2 (ULO), 4 (USO) (2 USO slide-outs telescoping from 2 (ULO) slide-outs)

ML50312 - 2000 Series, touch panel leveling control, Bi-Axis Hydraulic Leveling, 4 straight-acting, Power-extend/Spring-retract jacks with auxiliary hand pump, remote manifolds, 5 Universal slide-outs 4 (ULO), 1 (USO)

Quick Reference Sheets - Pump Run Toggle-Switch Operation

MI953611 - 625/625S Leveling - No Room Extensions
ML46786 - 625/625S Leveling - 1 Room Extension
ML46787 - 625/625S Leveling - 2 Room Extensions
ML46788 - 625/625S Leveling - 3 Room Extensions
ML46789 - 625/625S Leveling - 4 Room Extensions