Phone Number: 410-747-0900

Address: 6537 Baltimore National Pike Catonsville, MD. 21228

"We Provide, You Decide,

MELROY Makes it Right!"

All of Melroy Technicians are Certified in Installation and Service for Tankless Water Heaters

For over 43 years Melroy Plumbing Heating and Cooling, Inc. has served residential and commercial customers in Anne Arundel, Baltimore, Carroll, and Howard counties, including Baltimore City.


Our philosophy is simple. We guarantee the services and products we sell at reasonable and competitive prices, which is why we have earned an excellent reputation and continued success over the years.


Melroy’s Commercial Plumbing staff administers a variety of jobs. We carry professional liability insurance to protect our assets as well as yours. Call us today to have us design, coordinate and build your plumbing, gas fitting, HVAC sytems or process needs, from laying out the rough- in work, to installing fixtures.

Hearth Products

At Melroy Plumbing & Heating, we offer an assortment of product lines from some of the best hearth manufacturers on the market today. The information and links to our vendor web pages below will help you find the right appliance. Contact us with any questions, visit our showroom, or schedule an appointment for a free hearth estimate.  We are certified and licensed to install any hearth product, gas appliance, natural and propane gas lines, and chimneys.

Product Recall


In cooperation with the U.S. consumer product safety commission, FLUSHMATE is annoucing a voluntary recall of FLUSHMATE III Series 503 units manufactured from October 14, 1997 to February 29, 2008. The first six numerals of the serial number listed on the product are the date code. The date code range for this racall begins with 101497 (October 14, 1997) and continues through 022908 (February 29, 2008).

The affected FLUSHMATE III Series 503 units can burst at or near the vessel weld seam releasing stored pressure. This pressure can lift the tank lid and shatter the tank, posing impact or laceration hazards to consumers or property damage.


1) Write down the FLUSHMATE III serial number for all the units in your possession

2) Immediately contact FLUSHMATE to verify whether your unit is included within the recall: Visit or call the FLUSHMATE hotline toll-free at (800) 303-5123 between 8am to 10pm ET, Monday through Friday.

3) If your unit is included within the recall, you will be instructed to turn off the water supply to the toilet. A repair kit will be sent to you at no charge.

All of our trucks are stocked and prepared for taking on most service calls on a daily basis. The most common issues should be the most common solution and being prepared saves time which saves you money!

We are only one of a few certified A.O. Smith Warranty Representatives in the state of Maryland!

A.O. Smith Warranty Representative

"We guarantee our labor to be free from defects and code compliant"

Our Employees are trained to help meet your needs! They are uniformed, licensed, and undergo strict background checks and drug screening. We have continuous training programs and factory training on many brands.