New England Pipe & Supply
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New Hampshire's premier fire sprinkler systems contractor, pipe fabrication shop, and materials supplier. Capitol Fire Protection Co., Inc. has been engaged in fire protection work, i.e. sprinkler systems, tanks and tank piping, pumps, and steel pipe fabrication throughout New England in the same location since 1963.

As a sprinkler contractor, we have in-house design and fabrication capabilities and are recognized by insurance underwriters. Our work protects many millions of square feet of buildings throughout the area, and in addition to design and installation, we offer sprinkler system service including inspections and repairs.

Experience one-stop shopping for your dry hydrant and cistern piping needs. Steel pipe and fittings in stock, cut and thread made to order, PVC schedule 40, fire department connections and adapters, accessories, hard to find items. Please contact us if you require any additional information about our company, and anytime we can be of assistance.
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What do Amazon, Apple, Disney, Google, Harley Davidson, and Capitol Fire Protection have in common? They were all started in garages! Ours was a single-car garage in Loudon, NH in 1963. Hard work paid off and led to construction of our longtime and current location on North Village Road in Loudon. At the time, that was on the highway.
Once installed, quality service becomes critically important for the life of a sprinkler system. Regular maintenance helps to ensure proper condition and operation of fire protection equipment. Capitol Fire Protection Co., Inc. works with clients throughout NH, Southern ME, VT, and Northern MA to keep their systems in service and in compliance.
The minimum requirements for inspection, testing, and maintenance of fire sprinkler systems are described in the NFPA standard, NFPA 25: Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems. NFPA 25 calls for periodic inspection of sprinkler systems, essentially to address the operating condition of the system and its components.
The water supply is essential to a fire sprinkler system. When a system includes a fire pump to supply that water, the pump and related equipment must be kept at the ready to be called into service at any time. NFPA 25 calls for an annual (minimum) flow test of each fire pump to ensure operation upon demand and continuous delivery of the required system water output.
For dry pipe sprinkler systems, NFPA 25 calls for each dry pipe valve to be tripped annually (at a minimum) during warm weather. Capitol Fire Protection's routine NFPA 25 sprinkler system inspection of a dry pipe system includes a trip test of the dry pipe valve with the control valve partially open (called a "partial trip") which meets the requirement for the first 2 out of 3 years.
Reviews (10)
T. R.
T. R.
Nov 07, 2021
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Capitol Sprinkler is super reliable for all your emergency & routine needs. Mike has been a great help whenever we’re in need of his services! Great work.
Yerika Cuevas
Yerika Cuevas
Nov 02, 2021
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Super reliable company and well organized. Not to mention the customer service was amazing. Mike was very diligent and made sure everything we needed was covered. Highly recommend!
Anthony Knight
Anthony Knight
Nov 01, 2021
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I was truly impressed with the quality of work that was delivered. I felt confident when choosing this company and when Michael arrived, he confirmed that I made the right decision. Highly recommend.
Robert Oaks
Robert Oaks
Oct 27, 2021
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We started to have an issue with our sprinkler system and considered contacting another company. A trusted partner referred us to use Capitol Fire Sprinkler services. Thankful for that referral because they did a phenomenal job, they were punctual and provided exceptional costumer service. 100% would recommend using this company!
Jonathan Geraldo
Jonathan Geraldo
Oct 06, 2021
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Luis the contractor who does my inspections is always so informative and reliable. Recently I had an emergency with an ball valve on my main drain not holding and Diego saved the day. Diego was at my building within the hour and replaced the valve with a brand new one. Diego also answered every single question I had for him (I asked ALOT of questions) and even taught me a few things. His work is top notch and wouldn’t want anyone else in my building.
Daniel Carey
Daniel Carey
Oct 05, 2021
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We had a scheduled service call to replace a 4 inch flow switch. Kevin and Adaim arrived on site early and were eager to complete the task. They were knowledgeable efficient polite and very clean. The task was completed so fast and they left the location cleaner then they found it. I am very impressed with their work and efficiency. They both went above and beyond.
Thank you Kevin Adaim and Capitol Sprinkler. Two thumbs up!!
Hasaan Rice
Hasaan Rice
Oct 03, 2021
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Capital sprinkler is a very reliable company. They are well organized and in the event have an inspection they are readily available with anything you will need to be in compliance. Their Rep Michael and Brian are amazing guys and they always make sure our documents etc are up to date. And the manager Isa as well. Great company to work with.
Brian Moran
Brian Moran
Sep 25, 2021
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Capitol Fire Sprinkler serves most of our buildings. Mike has been great keeping all our logs up to date. He always answers when the inspector pops up in the lobby if I need him. Mike also stays in close communication so that pms are smooth when my guys have a lot of calls on those busy days. --Brian HSS Engineering Dept
Emil Toth
Emil Toth
Sep 18, 2021
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Our consulate have been using the services of Capitol Sprinkler for more than a year now and we are more than satisfied with the promptness and professionality of their employees. We have great experience with the both technician Mike and the sales department.
Nicholas Koulouroudis
Nicholas Koulouroudis
Aug 07, 2021
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Capitol Fire Sprinkler has been servicing and maintaining the sprinkler system in City Point, a retail center in Downtown Brooklyn since the building has opened in 2015. They have always been punctual and quick to respond to service calls. The service tech, Juan, assigned to our building is very knowledgeable and thorough when checking our system. I foresee us continuing our professional relationship with them for years to come.