May 6, 2019 · The HWH leveler sends a 12v signal to either dump the air in auto level mode, or to close it when retracting jacks so the air tanks will refill the suspension air bags.

Jul 26, 2021 · I am replacing the o ring seals on a HWH series 325 solenoid. ( Part no. RAP90729) New seals were purchased from HWH. (Part no. R7430) There are 48 seals in the HWH box. 28 that have …

Dec 31, 2024 · Happy New Years Eve everyone. I have a 2009 Tiffin Phaeton 40 QTH with the HWH 625 auto leveling system with air dump. My touch panel is completely dead with no lights on the …

May 11, 2023 · Our coach uses the airbags for leveling as well as suspension - that is, we have no leveling jacks (HWH 700 series system). Since buying the coach (used), from time to time the …

Sep 16, 2019 · HWH leveling jacks Rkesselus Sep 16, 2019 hwh irv2 jacks leveling leveling jacks Prev 1 2 •••

Jul 2, 2025 · Is the HWH panel illuminated? Before adding WD40, which is recommended by HWH, ensure you wash the piston -- the shiny/polished portion of the piston with soap and water with a …

Jul 1, 2025 · Hi, I have a problem whit my levelling system HWH on my Tyffin 20006, the pad series 725 itself didn't go o. I can activate the store switch on the pad but nothing goes on if I press the power …

Jul 1, 2018 · I have a 2002 Winnebago Adventurer. All of a sudden my HWH jacks won't go down, pump running, no jack movement. Worked fine at the beginning of May. No obvious leaks. The slides work …

Jul 30, 2024 · Check the master solenoid relay on the left side of the pump. With the coach in slides ready condition (brake set and ignition on) check voltage to ground on both sides of the large …