Your water heater replacement specialists in Sandown, NH. Free estimates, licensed plumbers, and guaranteed workmanship.
Magnet Plumbing provides water heater replacement throughout Sandown, NH for tank, tankless, hybrid, and heat pump water heaters. Our licensed plumbers walk you through your options, help you choose the most efficient unit for your Sandown home, and complete the full installation with proper venting, gas or electrical connections, and a final operational test.
Properties throughout Sandown (pop. 6,841) face unique challenges when it comes to water heater replacement. New Hampshire climate patterns, local water chemistry, and the specific pipe materials found in Sandown construction all influence the approach we take. Magnet Plumbing tailors every water heater replacement project to the conditions your plumbing system actually faces — no generic solutions, no unnecessary work.
Choosing the right contractor for water heater replacement in Sandown, NH makes all the difference between a lasting repair and a recurring problem. Magnet Plumbing uses professional-grade materials, follows industry best practices, and backs every project with a comprehensive workmanship guarantee. Call (844) 618-0753 to schedule your free assessment.
Here is how we handle every water heater replacement project in Sandown.
We help you choose the right water heater for your household — the appropriate size, fuel type, and efficiency rating — based on your hot water demand, budget, and the existing infrastructure at your home.
Magnet Plumbing removes your old water heater in Sandown, NH carefully — draining the tank, disconnecting all utilities safely, and hauling the unit away. We inspect the installation area for any issues that should be addressed before the new unit is installed.
Our licensed Sandown plumber installs the new water heater with all code-required components — proper supply line connections, gas or electrical hookup, T&P valve and drain tube, expansion tank if required by local code, and correct venting.
We fill the tank, start the unit, check for leaks at all connections, and verify the water reaches the correct temperature. We walk you through the controls and any maintenance the manufacturer recommends.
Common questions about water heater replacement in Sandown.
Replace your water heater in Sandown when it is over 10 to 12 years old, produces rusty or discolored water indicating internal corrosion, leaks from the tank body, requires frequent repairs, or no longer meets your household hot water demand. A water heater approaching these conditions often fails unexpectedly — replacement before failure avoids an emergency.
Most Sandown jurisdictions in NH require a permit for water heater replacement to ensure the installation is inspected for code compliance. Magnet Plumbing handles the permit process for Sandown water heater replacements as part of our installation service, so you do not need to navigate the permit office on your own.
Water heater replacement in Sandown typically costs $800 to $1,800 for a standard tank unit including the heater and installation labor. Tankless water heater installation costs $1,500 to $3,500 depending on the unit and installation complexity. Magnet Plumbing provides free replacement estimates so you can make an informed decision about unit type and budget.
Yes. Magnet Plumbing converts tank water heater systems to tankless in Sandown, NH. The conversion requires confirming adequate gas supply capacity or electrical service, installing proper venting for the new unit, and making connection changes. Our plumbers assess your existing infrastructure and advise on what is required for a successful tankless conversion at your Sandown home.
Honest reviews from homeowners who chose Magnet Plumbing for their plumbing needs.
"Magnet repiped our entire house last month. Clean install, finished a day ahead of schedule, and they respected our home the whole time. Worth every penny."
"Bought a new house and had a pre-purchase sewer camera inspection done. The plumber walked me through the footage and pointed out one section that would need attention in a few years. Honest assessment, no upsell pressure."
"Highly recommend!! Best plumber ever! Very professional, super nice, quick response and excellent quality of work at fair value prices."