1250 Gallon Precast Concrete Monolithic Septic Tanks

Great customer service, knowledgeable and honest. Thank you.
The best precast products around
Always willing to work with you. Good products at a fair price.
Delivery driver for the septic tank was awesome!!
Good business. Great service. Very prompt on delivery and a well-made product. Thanks
Great service fast delivery
Great family run and operated business. Helpful with questions and the delivery, product and service is the best in the state.
Great service!
They consistently deliver quality products on time. I use them every time I install a septic system, Great Job!
Very nice people.
Helpful , locally owned , friendly. I had a great experience with them.
I was looking for a new Presby septic system and I found Andrew J Foss. This company is great, awesome customer service, honest people, and really helpful. Thank you Andrew.
I have been a customer of AJ Foss for 18 years, they go out of there way to make my jobs successful. They are always prompt and courteous, I will continue to use them in the future
Andrew J Foss has everything I need as an excavation contractor. Their service is prompt and their prices are very competitive.
I called them to buy a septic tank and distribution box and they were very helpful and reasonably priced. I would buy from them again!!!!!!
I have had the opportunity to cross paths with AJ Foss many times over the past 10 years, and I have been consistently impressed with the quality of this organization. The number of contractors that trust AJ Foss for their precast concrete needs tells the story. Contractors don't want to insecurity, and the trust they put in AJ Foss speaks volumns. A quality family-run operation that has served southern NH for decades. If you are a contractor and you are NOT using AJ Foss, you owe it to yourself to check them out.
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1250 Gallon Precast Concrete Monolithic Septic Overview

A 1250 gallon monolithic septic tank is designed to hold 1250 gallons of liquid. A plumber can run plumbing lines to connect home drains to either of the tank’s side or center inlets. The same option is available for pipes extending from the side or middle outlets of the tank to the leach field.

Polylok IV closed end boots enhance plumbing penetrations with the tank.  This ensures water tightness and flexibility for pipes extending into and out of the precast structure.

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    New HampshireVermontMaineMassachusetts




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    Area service team professionals such as plumbers, septic system designers, and excavation contractors partner with our A.J. Foss team for quality home septic tank installation.  Each job goes smoothly because our team provides outstanding service and support for our precast tank products and accessories.

    Area home owners and property managers value our team’s service commitment and dedication to producing precast septic tanks that meet all best-practice requirements of ASTM C 1227 & NPCA.

    Features/Details*

    • 1250 gallon septic tank can be used in up to 4 bedroom systems.
    • Most common job site tank size used for NH septic system installation
    • Smallest tank our team recommends to use as a septic tank
    • Is delivered pre-assembled to the job site for ease of installation
    • Top seam tank for use in high water table area or where preventing water infiltration is critical
    • Shallow tank used in areas with ledge situations

    * Details shown are NH-specific; for details of other states’ specifications.

    You may also be interested in these popular precast concrete septic tanks.

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