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Liberty Model 441

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Battery-operated 12 Volt DC Liberty Model 441 takes over when the power goes out. Operating from the power of a 12 volt deep cycle battery*, the 441 features an efficient 12 volt pump, advance 3-stage charger with switch mode technology, and easy wiring with slip connectors. The 441 is designed as a backup pump and designed to be used with a 120V primary pump.

*Battery not included.

Product Resources & Documentation:

Spec Sheet
Manual

Helpful Blogs:

250715_YCS_M5438
250715_YCS_M5452

Trusted by Contractors Nationwide

We just got into the Crawl Space encapsulation business and everyone at Your Crawlspace has been a pleasure to deal with. They invited up down to their training facility in South Carolina and my crew and I hit the road and learned all about the great line of products they offer from start to finish. Cant say enough about the team at Your Crawlspace and I look forward to working with them for years to come.

The Mold Guys NJ, LLC Fizzarotti
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Great company and great supplier of crawlspace products and solutions. I own and operate a crawlspace/basement company in the Raleigh/Durham region of NC and we have been using YCS products for close to two years now. Outstanding products and customer service. They’re definitely dedicated to quality and customer service.
Will Bumgarner
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This company is absolutely amazing. Every single person I have spoken to on the phone was so helpful, so full of integrity, and wanting to go above and beyond to make us feel taken care of. The products are such quality materials. Would 100% recommend.
Diana Cherry
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Training & How-To Content

Technical Documentation

Technical Documentation

Every YCS product is supported by detailed documentation, training materials, and technical guidance to help contractors install with precision and confidence. Whether you’re reviewing specifications, accessing safety documentation, or preparing your team for installation, our resources ensure consistent, high-performance results on every project.

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