Mr Fix It Plumbing 4320 Atlantic Ave #230, Long Beach, CA 90807 (562) 988-2454 http://www.mrfixitplumbing.com/ Paul did an exceedingly thorough task of cleaning the drain and detailing what he was executing. He is an excellent ambassador to your organization. The business's plumbers work on tankless h2o heaters from Navien https://maps.app.goo.gl/JAqevuQwVnnK5SJu6