*****Please Call Before Booking through Home Advisor***** We are dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential services and take pride in the attention to detail put into each of the projects we are involved with. We are known for our high-quality work, integrity, respectfulness, and pride in what we do. We look forward to building long-term relationships and guaranteeing your satisfaction. Whether it's a leak or a renovation, no job is too big or small. You can call us in the middle of the winter when your heat goes out and we'll be there for you. That's why we're here!
"Professional and courteous"
Chris H on March 2025
*****Please Call Before Booking through Home Advisor***** We are dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential services and take pride in the attention to detail put into each of the projects we are involved with. We are known for our high-quality work, integrity, respectfulness, and pride in what we do. We look forward to building long-term relationships and guaranteeing your satisfaction. Whether it's a leak or a renovation, no job is too big or small. You can call us in the middle of the winter when your heat goes out and we'll be there for you. That's why we're here!
"Professional and courteous"
Chris H on March 2025
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!
JF Gallant is your local plumbing specialists servicing the southern Boston area since 2008. Owner and operator John Gallant, is the person you are working with from start to finish. I offer all plumbing and related services as well as Oil Burners. Often there is no sign of a water heater going bad before it does. When they do go bad, it is a mess. I offer water heater replacements as well as repairs. If a repair is possible, I will let you know. I believe upfront honesty in a contractor is the way to operate. I don't just want to earn your business I am looking to establish myself as your long term plumbing contractor able to assist you with all your current and future needs. If your project qualifies for a rebate, I will let you know and inform you as to what you need to do to get that money! Call today!
"Everything went great"
Dan C on April 2021
JF Gallant is your local plumbing specialists servicing the southern Boston area since 2008. Owner and operator John Gallant, is the person you are working with from start to finish. I offer all plumbing and related services as well as Oil Burners. Often there is no sign of a water heater going bad before it does. When they do go bad, it is a mess. I offer water heater replacements as well as repairs. If a repair is possible, I will let you know. I believe upfront honesty in a contractor is the way to operate. I don't just want to earn your business I am looking to establish myself as your long term plumbing contractor able to assist you with all your current and future needs. If your project qualifies for a rebate, I will let you know and inform you as to what you need to do to get that money! Call today!
"Everything went great"
Dan C on April 2021
Justin Pierson, Licensed Plumber has been in business for several years and would love the opportunity to show you what experience and expertise can mean for the overall value of your project.
"Justin was very responsive. Same day service. Excellent work product."
Alan P on August 2023
Justin Pierson, Licensed Plumber has been in business for several years and would love the opportunity to show you what experience and expertise can mean for the overall value of your project.
"Justin was very responsive. Same day service. Excellent work product."
Alan P on August 2023
With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions.
"Giovanni Colon was extremely competent, informed and well spoken. I would definitely recommend him."
Jonathan M on July 2023
With several years experience, we work hard to bring each customer the best possible service and quality available. We look forward to working with you on your next project. We welcome your questions.
"Giovanni Colon was extremely competent, informed and well spoken. I would definitely recommend him."
Jonathan M on July 2023
We are dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we are involved with. We are known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.
"Really fast response to my inquiry. Work was done with in a week.very fast and professional. Will be using for any future plumbing problems."
Jonathan K on April 2025
We are dedicated to providing our clients with the very best in service, installation, and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we are involved with. We are known for our quality work and the integrity of our business. We look forward to building long-term relationships with our clients and guarantee your satisfaction.
"Really fast response to my inquiry. Work was done with in a week.very fast and professional. Will be using for any future plumbing problems."
Jonathan K on April 2025
Mac's Plumbing and Heating s a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have several years of hands-on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Donnie did the install and he was fantastic. He put them both in in about 2 hrs and the place was spotless when he finished."
chuck d on December 2023
Mac's Plumbing and Heating s a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have several years of hands-on experience to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!
"Donnie did the install and he was fantastic. He put them both in in about 2 hrs and the place was spotless when he finished."
chuck d on December 2023
Mr. Rooter Plumbing of Southern Mass is your premier professional plumbing company offering the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Please call us today to schedule your appointment! Mr. Rooter is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business. Please give us a call today!
"Solid advice"
Nancy G on May 2025
Mr. Rooter Plumbing of Southern Mass is your premier professional plumbing company offering the highest quality and most attentive customer service. We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Please call us today to schedule your appointment! Mr. Rooter is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests and make their concerns the basis of our business. Please give us a call today!
"Solid advice"
Nancy G on May 2025
For over 2 decades, Addario's has provided over 50,000 Massachusetts homeowners with reliable, trustworthy, and complete home services. Backed by the area's best warranty. Addario's is an A+ Better Business Bureau rated company and was voted one of the fastest growing companies in 2013. We are licensed and insured, able to perform any and all home service jobs related to plumbing, heating, cooling, electrical, drain cleaning, sewer replacement, one-day bathroom remodels, generators and much more. If your home needs it, Addario's can do it. Comprised of more than 50 employees, homeowners can trust Addario's to perform all types of home repairs, inspections and replacements for all of your homes vital mechanical systems. As a valued customer, you will receive a homeowners checklist to help you maintain your home in between visits. If any aspect of your heating and cooling system isn't working properly rest assured we'll fix it!
"Great work!"
Daniel P on May 2025
For over 2 decades, Addario's has provided over 50,000 Massachusetts homeowners with reliable, trustworthy, and complete home services. Backed by the area's best warranty. Addario's is an A+ Better Business Bureau rated company and was voted one of the fastest growing companies in 2013. We are licensed and insured, able to perform any and all home service jobs related to plumbing, heating, cooling, electrical, drain cleaning, sewer replacement, one-day bathroom remodels, generators and much more. If your home needs it, Addario's can do it. Comprised of more than 50 employees, homeowners can trust Addario's to perform all types of home repairs, inspections and replacements for all of your homes vital mechanical systems. As a valued customer, you will receive a homeowners checklist to help you maintain your home in between visits. If any aspect of your heating and cooling system isn't working properly rest assured we'll fix it!
"Great work!"
Daniel P on May 2025
Quality, Service, Performance & Pricing And Fully Insured. We recognize that the marketplace is very competitive and you are constantly bombarded with sales pitches. These are everyone's top concerns and we are the best in these categories: servicing homes and commercial properties While building long and lasting relationships with our customers.
"A+. Great job, quick and knowledgeable. Very friendly. "
Dolores J on May 2025
Quality, Service, Performance & Pricing And Fully Insured. We recognize that the marketplace is very competitive and you are constantly bombarded with sales pitches. These are everyone's top concerns and we are the best in these categories: servicing homes and commercial properties While building long and lasting relationships with our customers.
"A+. Great job, quick and knowledgeable. Very friendly. "
Dolores J on May 2025
You'll need an expansion tank if your home has a closed water system, which is standard in newer homes or those with backflow preventers or pressure regulators. Expanding hot water has nowhere to go in closed systems, creating potentially damaging pressure. The expansion tank provides space for this expanded water, protecting your plumbing system and water heater from premature failure. Many local building codes now require expansion tanks, and some water heater warranties may be voided without one.
For a standard 50-gallon water heater, a two-gallon expansion tank is sufficient. This sizing assumes normal household water pressure between 40 and 60 psi. If your home has higher water pressure (60 to 80 psi), consider upgrading to a slightly larger tank for added protection. The expansion tank's purpose is to accommodate the increased volume that occurs when cold water heats up, which is proportional to your water heater's capacity.
Watch for signs like dripping water around the tank, fluctuating water pressure throughout your home, or unusual noises in your plumbing system. A properly functioning expansion tank should feel light when tapped on the bottom—if it feels heavy or waterlogged, the internal bladder has likely failed. Other indicators include frequent triggering of your temperature and pressure relief valve, visible corrosion on the tank, or unexplained increases in your water bill, suggesting hidden leaks.
Most expansion tanks have a service life of five to 10 years, though some may last up to 12 years or more with proper maintenance. Factors affecting lifespan include water quality, system pressure, installation quality, and tank construction. Hard water areas often see shorter lifespans due to mineral buildup. Regular maintenance checks can help identify potential issues before complete failure. When your water heater is due for replacement, it's wise to replace the expansion tank simultaneously, even if it hasn't failed yet.
A 30-gallon water heater needs an expansion tank if your home has a closed plumbing system. The need for an expansion tank is determined by your plumbing system type rather than water heater size. Even smaller water heaters create thermal expansion when heating water. If your home has a backflow preventer, pressure regulator, or check valve on the main water line, you have a closed system that requires an expansion tank. Check your local plumbing codes, as many jurisdictions now mandate expansion tanks regardless of water heater size.