Waterproofing basements companies. PermaSeal provides expert basement waterproofing and foundation repair services to homeowners in the greater Chicagoland area including crack repair, bowed wall repair, crawl space encapsulation, sump pump replacement, yard drainage solutions, basement windows, new construction waterproofing and preventive maintenance. Get shopping advice from experts, friends and the community! I was a given #02850727, die hard marine battery. Do you agree that this is the right battery for my pump, the non-maint doesn't give off gas that's flamable. Any other battery recommendations will help too. A 12Volt deep charge battery is needed. Thanks for help.