What services does John C. Digertt, Inc. provide?

John C. Digertt, Inc. offers: Manufacturer's Representation: Representing top manufacturers of pumps, mixers, seals, and process equipment. Custom Metal Fabrication: Services include Water Jet Cutting, Metal Rolling and Forming, and Flanged and Dished Tank Heads using stainless steel, aluminum, and carbon steel. Pump & Rotating Equipment Repair: Repair of pumps, gearboxes, and blowers both in-shop and on-site. Inspection Services: Visual and dimensional inspections, remote camera surveys, and 3D modeling for pipelines, tanks, and tunnels. Critical Services: Hot Tapping, Leak Detection, Pipeline Flushing, Pipeline Purging and Drying, as well as 24/7 emergency support. Fuel Handling & Storage: Fuel Storage Tanks, Fuel Tank Inspection Services, Fuel System Services, Fuel Transfer Pumps and Polishers, Fuel Polishing, Fuel Tank Rentals, and Double Containment Piping Systems. District Energy Solutions: High-temp and low-temp district energy systems, including Manholes, Manhole Inspection, Carbon Neutral and Green DHC Solutions.

Which manufacturers does the company represent?

Perma-Pipe, Vexve (Vexve Armatury Group), PermAlert, Triple Point Labs, Containment Solutions, ConVault, Veeder-Root, Pneumercator, Mass Tank, OmegaFlex, Highland Tank, Modern Welding, EagleHawk

What types of metal fabrication services are available?

John C. Digertt, Inc. provides custom metal fabrication services including Water Jet Cutting, Metal Rolling and Forming, and Flanged and Dished Tank Heads using stainless steel, aluminum, and carbon steel.

Does John C. Digertt, Inc. provide inspection services?

Yes, John C. Digertt, Inc. provides inspection services including visual and dimensional inspections, remote camera surveys, and 3D modeling for pipelines, tanks, and tunnels.

What are critical services, and does the company offer them?

Yes. Our critical services include: Hot Tapping (modifications without service interruption), Leak Detection and Pressure Testing, Pipeline Flushing and Chemical Cleaning, Pipeline Purging and Drying. We are available 24/7 for emergency response.

Fuel Oil & District Energy Systems

What We Deliver, Every Time

Equipment and technical support for district energy and generator fuel systems, with storage, piping, transfer controls and monitoring considered together.

Heating, Cooling & Fuel System Solutions

Explore the equipment, technical support and services for your project.

District Energy Solutions

Pre-insulated piping, manholes & buried valves.

Piping & Manholes Buried Valves

EXPLORE PIPING & MANHOLES

Fuel Management

Fuel storage, transfer equipment, controls & monitoring.

Tanks Transfer Equipment Leak Detection

EXPLORE FUEL EQUIPMENT

Other Products/Services

Pipeline testing, drying, hot tapping & inspections.

Testing & Drying Inspections

EXPLORE SERVICES

Manhole installation at Bristol Community College

Project Experience

See how equipment and technical coordination come together on real projects.

Bristol Community College

Prefabricated piping and custom manholes for a campus steam distribution upgrade.

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Fuel equipment installation from the West Palm Beach project

West Palm Beach Fuel System

Fuel storage, transfer equipment, protected piping and monitoring coordinated within one project.

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Why Choose Digertt?

Our commitment to quality, safety, and efficiency ensures that every project meets the highest industry standards. From initial design to long-term maintenance, we provide end-to-end support to keep your operations running smoothly and efficiently.

PROVEN EFFICIENCY

State-of-the-art equipment.

SAFETY GUARANTEE

We comply with the strictest regulations.

ONGOING SUPPORT

From installation to maintenance.

CUSTOMIZED SOLUTIONS

Adapted to each industry and need.

About The Industry

Why Annual Fuel System Inspections Matter for Emergency Power Reliability

A dependable generator needs a dependable fuel supply. Annual inspection verifies the complete system before an outage exposes a hidden failure.

October 12, 2026

The Steam Vault Problem: Why Prefabricated Manholes Improve District Energy Reliability

The weakest part of a district energy system may not be the pipe. A wet, poorly built vault can turn a protected connection into a corrosion chamber.

October 5, 2026

Supporting the UConn Storrs Infrastructure Upgrade with Prefabricated Piping and Manholes

Campus energy upgrades require durable buried infrastructure, precise coordination, and a plan that keeps construction moving around active facilities.

October 2, 2026

Supporting Emergency Power Reliability at Holocaust Museum Boston

JCD supplied a mission-critical fuel oil pump set and controls to support the roof-mounted emergency generator and belly tank at Holocaust Museum Boston.

September 21, 2026

Standardizing Backup Power Fuel Systems in St. Augustine

A coordinated tank, gauge and fill package reduces engineering time, simplifies installation and creates a repeatable standard for backup power projects.

September 16, 2026

Preventing Fuel Overfills at Hartford's XL Center

Modern overfill prevention should do more than sound an alarm. It should monitor continuously, stop the delivery and identify leaks before they become incidents.

September 7, 2026

Integrated Fuel Oil and District Energy Support from Design Through Commissioning

Complex infrastructure performs better when tanks, pumps, piping, controls, containment and monitoring are treated as one coordinated system. John C. Digertt Inc. helps engineers, contractors, owners and facility teams maintain that complete-system view from early design through startup, inspection and long-term service.

October 29, 2026

Expanding Single-Source Fuel and District Energy Support Across New England

JCD is extending coordinated fuel oil, pre-insulated piping, leak detection and commissioning support throughout northern New England. Through our partnership with Perma-Pipe, we now support engineers, mechanical contractors, general contractors and facility teams across Vermont, Maine and New Hampshire, in addition to our established territories in Massachusetts, Connecticut, Rhode Island and New York State.

August 24, 2026

Commissioning a Roof-Mounted Emergency Generator Fuel System in Greater Boston

Final commissioning verifies that every device in a roof-mounted generator fuel system responds correctly as one coordinated sequence. Projects like this demonstrate why startup must extend beyond checking whether a pump can run.

August 17, 2026

30+ Years Of Industry Leading expertise.

More than 30 years offering efficient and reliable systems for the HVAC and Fuel Oil industry. From design to installation and maintenance, we are your strategic partner.

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