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We specialize in the installation and servicing of Rinnai and Navien tankless water heaters and boilers. We are proud to be recognized by Rinnai as the Top Dealer/Installer in Maryland, Virginia and Washington DC. We have earned Rinnai's "Advanced Comfort Expert (ACE)" status. We are also proud to be an authorized dealer / service provider for Navien. We are a nine-time recipient of the Angie's List esteemed Super Service Award and have been featured in their Super Service Spotlight and in Advice from Angie's List by Angie Hicks. We have over 25 years of gas experience and have been installing and servicing tankless water heaters since September of 2004. We offer in-home consultations and provide professional estimates within 24-48 hours of consultation. We stand behind our installations with a two-year (2-year) warranty on workmanship and materials and we provide maintenance and repair service for every appliance that we install.

**SPECIAL $199 Garbage Disposal & $225 Toilet Installation**We are a small plumbing company located in Maryland. We service all your plumbing needs. Our website is www.djplumbingservices.com . No job to small or big .We have 24 hour emergency service and we are dedicated to customer satisfaction

ETR Laboratories in an analytic laboratory with a broad range of commercial, industrial and individual clients. We provide analytic services using a wide variety of scientific methods including GC/MS, IC/MS, GIR, NMR and SEM equipment. We can do particle analysis, organic and inorganic chemical analysis and micro analysis on biological and other materials. Private water analysis is our specialty. Award winning. Additional DBA - Environmental Testing & Research Laboratories Inc, ETR Labs, ETR Laboratories.

Mallick Plumbing & Heating provides any and all types of plumbing services to residential and commercial clients throughout the entire Washington Metropolitan Area and Silver Spring, Maryland. We currently have a fleet of over twenty full-time service technicians and twelve apprentices, which are led by Vice President Ken Howes and Residential Service Manager Jeff Fletcher. Mallick conducts pre-employment screenings on each candidate after making a contingent offer of employment. State judiciary and national case searches are completed, as well as state and national sex offender searches. In addition to extensive background checks, substance abuse tests are administered. Mallick is a drug-free workplace and we strive to ensure the environment remains safe for our employees and our customers. Our team has over 30 years of experience in the plumbing industry and is dedicated to providing quality workmanship and the highest customer satisfaction. Our family approach to business has allowed us to build strong long-lasting relationships with contractors, owners, suppliers, subcontractors and employees, and we look forward to the opportunity to provide honest plumbing services for you and your family. 9X Super Service Award Winner from 2012-2022 and voted best Gaithersburg Plumber 2020, 2021, 2022 & 2023

3-Time Super Service Award Winner. Our business philosophy is simple- Offer quality service at a fair price. We have found over the years that providing these two simple things is better than any other type of advertising gimmick, because well-treated customers always return and always want to share us with their friends and family. Potomac Plumbing & Gas is committed to providing superior customer service to our clients. We believe in treating our customers with honesty, integrity and respect. We strive to keep lines of communication open so that the client knows the cost and extent of a job each step of the way. Additional services: Natural gas & propane leak detection & repair, water heater replacement, main water & sewer lines, sump pumps, gas line for whole home standby generator

Plumbing

Finding the right plumbing company can be a struggle sometimes. Suma Plumbing and Drain Cleaning offers quick, reliable service you can trust. We are dedicated to helping you when you need it the most and we leave all of our jobs tidy and clean.

Financing available with qualified purchase. Trade ins welcome for new whole house water treatment systems. We service all makes and models water treatment equipment. We also do minor plumbing work. New Systems we include a lifetime transferable warranty. All new systems are chemical free. ***Proud Winner of Water Quality Products Dealer of the Month*** http://www.wqpmag.com/family-legacy 10% off Senior Citizens and Military drinking water,drinking water filter,home water treatment system,reverse osmosis system,water filter,water filtration,water heater,water purification,water softening,water treatment

At National Water Service, we set the standard for home water treatment, purification, as well as a complete line of well pumps, boosters, etc. In dealing with Residential areas, one of the important things a homeowner needs to consider is water quality. It is important to note that whether on City Water or a Well System, water quality can vary quite a bit from neighborhood to neighborhood. National Water Service is happy to do a basic analysis at no charge. And if extensive testing is deemed necessary, we have testing services available. National Water Service has been installing and servicing complex water systems in Restaurants, Hotels, Hospitals, Shopping Centers, and various other sites all over the the DC Metro area for over 45 years. We work with Architects, Builders, and Construction Firms to create custom applications for Water Treatment and Purification. Our installers are all professionally trained in both Water Treatment, Purification and well pump service.

Competetive Pricing. Award winning. [email protected] [email protected]