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  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon120
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Find Affordable plumbers in Grantham

Gotme Under Pressure ?, LLC
4.3(
648
)
Drain Clog or Blockage - ClearFaucets, Fixtures and Pipes - Repair or ReplaceGas Piping+2 more

Serving Grantham, NH and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Exchanged messages with Mike to describe work needed, replace an outdoor faucet and shutoff value (previous faucet was leaking). He gave an estimate, reviewed work to be done. Replaced outdoor spigot with a frost-proof spigot, put on new value. Quick test and validation. Professional, efficient and happy with work done! Thank you Mike !"
Recommended by88%of homeowners
Avatar for Long Home
Long Home
4.3(
210
)
Shower Install or ReplaceBathtub Install or Replace

Serving Grantham, NH and surrounding areas

Approved

In business since 1999

Free estimates

Credit card accepted

"Chris and Long Baths did good work for my family. The plumbing from our previous shower was very messed up but Long worked with me to find a proper solution and we are very happy with the end result."
587 neighbors recently requested a quote
Recommended by89%of homeowners
Avatar for Clear Choice Home Improvements, LLC
Clear Choice Home Improvements, LLC
4.5(
980
)
Shower Install or Replace

Serving Grantham, NH and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Great customer service, Thanks Michelle. 👍, Doug came out promptly and worked with us to finance a new top of the line roofing system at an extremely affordable price. The installers from Clear choice, really great workers and really fast install, they left my property spotless after the work was completed. Thanks again Clear Choice Home Improvement 👍.My new roof is amazing."
 Insulated Vinyl Siding
 Seamless Gutters
 Easy to clean vinyl replacement windows
  Asphalt Roofing
 Leaf Slugger Gutter Covers and Water Management

+114

Response time2 hrs
279 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Patriot Bath Remodeling LLC
Patriot Bath Remodeling LLC
5.0(
8
)
Bathtub Install or ReplaceShower Install or Replace

Serving Grantham, NH and surrounding areas

Approved (Corporate)

In business since 2024

Free estimates

Warranties offered

"One of the owners came out to my house personally and helped me and my husband design our dream shower! The whole project from start to finish was seamless! Installers were fast but very detail oriented when we had questions! We highly recommend give Patriot a call"
Natural Stone Look
Natural Stone Look
Shiplap (Stone Look)
Shiplap (Stone Look)
Natural Stone Look

+4

Recommended by85%of homeowners
Avatar for Jacuzzi® Bath Remodel
Jacuzzi® Bath Remodel
4.6(
131
)
Bathtub Install or ReplaceShower Install or Replace

Serving Grantham, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2004

Free estimates

Credit card accepted

"Installers arrived on time and worked very hard and efficiently. Project took two days since in addition to the shower conversion they also installed a new LVP floor and a new toilet. Rafael and his assistant were top notch and left the house and work area clean even at the end of the first day. I highly recommend them if you are considering a project. They made an effort to minimize the time water was shutoff as well."
Bath - Shower Remodel
Bath Makeover
Bath Makeover
Bathroom remodel
Bath Makeover

+10

Response time1 day
Response rate91%
Recommended by72%of homeowners
Avatar for Five Star Bath Solutions of Southern NH
Five Star Bath Solutions of Southern NH
5.0(
6
)
Shower Install or ReplaceBathtub Install or Replace

Serving Grantham, NH and surrounding areas

Approved

In business since 2025

Free estimates

Warranties offered

Five Star Bath Solutions of is the top-of-the-line bathroom remodeling company. We've earned this title by using advanced technology, custom products, and attention to customer service. Using innovative software, Five Star Bath Solutions professionals will deliver a detailed estimate for your bathroom renovation project at an affordable price. We believe in setting standards for how projects are estimated, installed, and completed and passing that value on to you.

Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel

+1

Response time5 hrs
Response rate87%
200 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.6(
26
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving Grantham, NH and surrounding areas

Approved (Corporate)

In business since 1996

Free estimates

Warranties offered

"Excellent service. I had a sump pump system put in 10 years ago by Rescon. Never had any problems with it, worked great. This weekend with all the rain the pump stopped working. I called there emergency line and a service technician called me back in less than an hour. They were at my house in less the 2 hours fixing my pump. They did charge me an emergency dispatch fee for the service call but I guess that s expected on a weekend. Overall it was excellent service and I am very happy I chose this company."
Foundation
Foundation
Foundation
Basement
Basement

+16

Response time12 hrs
245 neighbors recently requested a quote
Recommended by56%of homeowners
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Affordable Plumbers questions, answered by experts

You can use a water gauge to check that water pressure, which should be between 40 and 60 PSI. If you don’t have a water gauge, you can also time how long your showerhead takes to fill up a 1-liter container. If it takes longer than 6 seconds, you’re dealing with a case of low water pressure.

You can drain a hot water heater yourself as long as you take some safety precautions. Be sure to familiarize yourself with the unit before starting, let the water in the tank cool down for a few hours, and wear safety equipment to protect yourself, including heavy-duty rubber gloves and safety goggles.

Plumbing leaks are usually not covered by homeowners insurance because the problems are avoidable with proper maintenance. In most cases, you’ll have to pay out of pocket for a fix. However, if the leak is a direct result of a natural disaster, like an earthquake that cracked a pipe or a house fire, your insurance may cover the repairs.

The air admittance valve, or AAV, is a spring-loaded mini-vent that sits right next to your washer. It acts in place of a standard vent stack connection, opening to let air into the drain whenever pressure builds up. It otherwise stays closed to prevent sewer gas from escaping into your home. This gives the washer’s plumbing system the air it needs when water enters or drains.

There are three main types of shower valves: pressure-balancing, thermostatic, and diverter. Pressure-balancing and thermostatic valves are both considered mixing valves because they regulate water flow and temperature, but they do so in different ways. A pressure-balancing valve senses changes in water pressure, such as from a flushing toilet, and adjusts the incoming hot and cold water to maintain a consistent temperature; these typically use a single knob. A thermostatic valve uses a thermostat to precisely control the water temperature and requires a separate control to adjust the water volume. A diverter valve directs the flow of water from one fixture to another, such as switching from a tub faucet to a showerhead in a tub-shower combination.

The Grantham, NH homeowners’ guide to affordable plumbing services

From average costs to expert advice, get all the answers you need to get your job done.