Aug 1, 2025 · I should mention HWH used different solenoid configurations too, but all types of switched solenoid are basically either "On" or "Off." Then the Shuttle Valve passes fluid to …

Mar 20, 2013 · I have a problem with 1 solenoid valve on my HWH 625 Series Leveling System! I want to do the job myself but not sure how the "solenoid" is connected into place on the …

Nov 19, 2025 · I am wondering if anyone else has had this intermittent problem with their HWH System (2003 Alpine Coach-HWH 610 series) and if they found the cause. The system …

Feb 11, 2020 · Replacing HWH solenoid Congratulations! Your success lends me hope in the battle against my stubborn jacks: they go down, back up not so much.

Jan 25, 2023 · HWH uses 3 solenoids, the master is on top of the motor, there are 2 slave solenoids on the side of the motor, 1 powers the leveling system, the other powers the slide …

Jul 30, 2005 · Here's the word from HWH about the fluid to use "HWH Specialty Hydraulic Oil is recommended. In an emergency Dexron automatic transmission fluid can be used." If you …

Aug 20, 2025 · I have been able to locate 12v 11.5 watt coils originally for other solenoid applications unrelated to the HWH six-packs such as the one being sold here. Once you …

Apr 13, 2022 · I am posting this in hopes of helping someone doing a future search for a HWH leaking jack cylinder might find the information useful. Skip to the end for the useful part. My …

Dec 17, 2024 · The PO of our MH had this Lucas hydraulic leak fix stuff in the basement. This is a very thick fluid. Is it even compatible with the fluid in the HWH system?

May 28, 2025 · I have a 2004 Winnebago Journey that I am having trouble getting the HWH slide out cylinders resynchronized after having the back one rebuilt after it started leaking. This is on …