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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody. This is Jeff at etrailer.com. Today we're gonna take a look at this Lippert Polarity Reversing Solenoid by Trombetta. And this is for the Hydraulic Power Units. Now this polarity reversing solenoid is primarily used on hydraulic leveling and slide out units. The reversing polarity DC contactors provide a cost effective and simple solution for reversing polarity of permanent magnet DC motors.
Now, integrating two DC contactors into a single housing unit, Trombetta has eliminated many costly materials and streamlined the final product assembly and wire connections. And again, the solenoid is primarily used on hydraulic levelers and slide outs. It does offer a two-minute maximum runtime. It is cost-effective and simple solution for reversing polarity of permanent magnet motors, and there is no assembly required. That's gonna do it for a look at the Lippert Polarity Reversing Solenoid by Trombetta for hydraulic power units.
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Fast shipping
Arrived in a timely manner
Fast service and great results
Solved my problem, quick delivery
The part came in on time,the one i took off was USA and the one i replaced it with was China.I could have gotten the part cheaper from a different place if i wanted a China part.that wasn't the problem anyway.
You guys are awesome.
etrailer was quick to ship and part worked great. Its still working after 1 year.
After getting home from a trip to South Dakota I tried to open the slideouts on my 2007 Cardinal 5TH wheel. I pushed the "out" button but nothing happened. After testing several components I came to the conclussion that the Polarity Reversing Solenoid was bad. I went online to Etrailer, found what I needed and placed the order. Within 5 days the part arrived and I installed it. The slides extended and now I'm able to go on our Fall trip up North. The only problem is the replacement part does not have the bracket that holds the solenoid to the top of the pump motor. The original part has a unremovable bracket. I did find a way to attach the solenoid so all is good.
It was the right part and shipped fast. It worked to solve my slider issue for a 2005 42 foot Wildwood Travel Trailer with 3 slides. Yes 3 Slides. Not 2. So this was the exact replacement part used by Wildwood by Forest River, and saved me a lot of money over replacing the pump. Its the ONLY part of my Wildwood trailer to fail after 10 years of living in it 6 months of each year. Im very impressed and this is the right part. It was a super easy replacement as well. -Nick
Hello Montrell
I installed the new part today. Everything was perfect. Way to go E-Trailer.
Andy Cardwell
George C. 
4/11/2021
Product is great. etrailer is so great and responsive to work with. Always
Etrailer uses a stock photo for this solenoid. The sticker states that it is a 5 min max run time and a different model number. I received a 2 min max run time. Etrailer provided me with Lipperts phone number and they told me the 2 min max is the only one they make now. I installed it and my leveling system is working perfectly now. I timed each run of the hydraulics in Auto Mode at about 30 seconds each on level ground. It was right at 2 minutes for Front, Rear, Left, and Right.
We use this product on our rv leveling system. The website for ordering was simple and efficient. Product also arrived days ahead of schedule. It was also nice to receive email updates/ confirmation of our order and it's shipping status.
I had it installed in less than 20minutes! The part arrived next day from etrailer. Great service! I often tell my fellow rvers about etrailer. Thanks much
Amanda was excellent. She exceeded my expectations. She was knowledgeable & courteous. She took my order, then send me an email saying it was in shipping & then provided me the shipping info & I received it as promised. Part fixed the problem.
I commend Amanda as an employee and your company for parts purchases.
Product was shipped right away... I received it quickly. The solenoid fit perfectly, and operates flawlessly! Now our leveling system on our motorhome works again!
Got me back up and going and quick shipping before our vacation
Exact replacement, worked great on the first try and is still working a year later.
It would have been a lot better if the nuts came with the solenoid as the old ones had gotten very hot from being loose and were rusty. If it had been a new setup I would’ve had to buy new nuts.
Quick shipping, very good communication on product and shipping.
Great phone service and fast shipping. Who could ask for more!
was shipped right away received the correct product. the person was a tremendous help in getting the correct part to make my repair Thanks
Great product direct factory replacemen t.
Had no issues with the product.
The exact number and part that I needed. Shipped in high quality packaging so it arrived unharmed.You guys saved my last camping trip of the year!
The part was exactly what I needed. Arrived on schedule. Price was reasonable.
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Big J.
9/22/2024
Perfecty