What Flexcon Industries does

Flexcon Industries, founded in 1987 and headquartered in Randolph, Massachusetts, is a manufacturer of pre-pressurized diaphragm expansion tanks serving the water well, plumbing & heating, and water treatment markets across North America. The company's product portfolio spans steel well tanks (Well Rite, Challenger, Defiance, Flex2Pro series), composite well tanks (Flex Lite, Pro Lite, H2PL), specialty vessels (patented Flow-Thru, In-Well, Argosy Buffer, Mixmaster Baffle), thermal and hydronic expansion tanks, and RO accumulator tanks — all built around its patented CAD-2 (Controlled Action Diaphragm) technology, which uses a 100% butyl rubber diaphragm and cross-linked polypropylene lower chamber to fully contain system water in an NSF-approved chamber. Flexcon holds ISO 9001, WQA Gold Seal, NSF/ANSI 61 & 372, and IAPMO R&T certifications, and operates as a subsidiary of The Swan Group.

The company sells exclusively through a professional distributor and licensed installer channel across the US and Canada, supported by an IMAP (Internet Minimum Advertised Price) policy, an online dealer locator, a proprietary drawdown sizing calculator, and an extensive technical documentation library. Unit pricing spans roughly $330 to $4,929 across product lines (Jet Rite, Flow-Thru, Flex2Pro, Challenger, WR Series), with revenue derived almost entirely from hardware sales through this two-tier distribution model rather than direct-to-consumer. End demand is anchored in the approximately 16 million private water wells in the United States, supplemented by hydronic heating, thermal expansion, and water-treatment retention applications.

Flexcon's strategic posture is that of a mature, certification-gated industrial manufacturer sustaining premium pricing through patented technology (CAD-2, Flow-Thru), third-party quality credentials, and a protected professional channel. Recent activity has centered on expanding the specialty tank category (In-Well, Flow-Thru, Argosy, Mixmaster) and the composite tank family rather than on geographic or end-market pivots. With 101–250 employees, no disclosed funding events, and ownership by The Swan Group, Flexcon presents as a stable mid-market industrial subsidiary rather than a high-growth venture-backed asset.

Name

Flexcon Industries

Legal name

Flexcon Industries

Website

https://flexconind.com

Company type

Private

Founded year

1987

Operating status

Operating

Headcount range

101–250 employees

Short description

Flexcon Industries is a US manufacturer of pre-pressurized diaphragm expansion tanks for the water well, plumbing & heating, and water treatment markets, built around patented CAD-2 technology and sold exclusively through professional distributor and installer channels across North America.

Ownership category

akta.pro rank

Product category

Pressure Tanks and Water Storage Vessels

NAICS

Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Refrigeration Components & Controls (Compressors, Valves, Sensors) (IMAHAKAH)

akta.pro secondary industry

Compressors, Refrigeration Components & Condensing Units (IMADANAG)

Keywords

• Pressure tank manufacturing
• Water well equipment
• Diaphragm expansion tanks
• Hydronic heating systems
• Water storage vessels

Headquarters

HQ city

Randolph

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Pressure Tank Manufacturing & Sales: Flexcon generates revenue through manufacturing and selling pre-pressurized diaphragm expansion tanks. Products include well tanks, composite tanks, hydronic expansion tanks, thermal expansion tanks, and specialty tanks. Revenue is primarily generated through distributor and dealer channels with professional installer focus.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

Flexcon Industries designs and manufactures pre-pressurized diaphragm expansion tanks for water well, water pressure boosting, reverse-osmosis, hydronic heating, and thermal expansion applications. Its product range includes steel well tanks, composite well tanks, hydronic and thermal expansion tanks, RO storage tanks, buffer tanks, and specialty tanks (Flow-Thru, In-Well, Mixmaster Baffle), all sold exclusively through authorized professional distributors and licensed installers across North America.

Product overview

Flexcon Industries is a manufacturer of pre-pressurized diaphragm expansion tanks serving the water well, plumbing, heating, and water treatment markets. Their product portfolio includes steel well tanks (Well Rite Series, Challenger Series, Defiance, Flex2Pro H2P, Flex2Pro WWT Series, Flex2Pro Series), composite well tanks (Flex Lite Series, Pro Lite Series, H2PL), specialty tanks (Flow-Thru, In-Well, Argosy Buffer Tanks, Mixmaster Baffle Tanks), storage tanks (FLS, H2PLS, FLU), thermal expansion tanks (PH Series, WHV Series), hydronic expansion tanks (HTX/SXHT Series), Jet Rite tanks for irrigation/booster applications, and RO storage tanks (FWRO, SSRO). All well tanks feature the patented CAD-2 (Controlled Action Diaphragm) technology that completely contains water in an NSF-approved chamber using 100% butyl rubber diaphragms and polypropylene lower chambers.

Differentiator

Problem solved

Functional benefit

Brands

• Well Rite: Steel well tank series with high grade stainless steel elbow and highest quality paint finish
• Challenger
• Defiance
• Flex2Pro
• Flex Lite
• Pro Lite
• Flow-Thru
• In-Well
• Argosy Buffer Tanks
• Mixmaster Baffle Tank
• Flexwave RO
• Jet Rite

Products and services

• Well Rite Series Steel Well Tanks Steel well tanks with high-grade stainless steel elbow and highest quality paint finish, built to last in harshest conditions. Available in standard and Plus Series variants for residential water well applications.
• Flex2Pro H2P Well Tanks Premium steel well tanks with high-grade stainless steel elbow and highest quality paint finish for any job requiring top-tier durability.
• Challenger Series Steel Well Tanks Steel well tanks delivering CAD-2 technology at an affordable price, equipped with stainless-steel water connection and patented water chamber for superior air/water separation and durability.
• Flex2Pro Series Steel Well Tanks Steel well tanks available in almond or blue, equipped with patented CAD-2 diaphragm, high-grade stainless steel water connection, and rugged base for extreme conditions.
• Defiance Steel Well Tanks Steel well tanks with patented CAD-2 diaphragm and high-grade steel elbow with rugged base engineered to withstand maximum loads and extreme conditions.
• Flex2Pro WWT Series Well Tanks Well tanks delivering CAD-2 technology with stainless-steel water connection and patented water chamber for superior performance in water treatment applications.
• Flex Lite Series Composite Well Tanks Composite well tanks using patented CAD-2 technology to reduce condensation and extend tank/system life; approximately 35% lighter than steel tanks with over 15 years of field-proven performance.
• H2PL Composite Well Tanks Highest quality composite well tank using patented CAD-2 technology to reduce condensation and extend tank life; approximately 35% lighter than steel with no corrosion.
• Pro Lite Series Composite Well Tanks Composite well tanks with 150 PSI pressure rating and stainless steel water connection, approximately 40% lighter than steel tanks with no corrosion possibility.
• Jet Rite Tanks Tanks ideally suited for irrigation applications, booster systems, shallow well jet pumps, and centrifugal pump configurations with FDA-approved 100% butyl diaphragm.
• HTX/SXHT Series Hydronic Expansion Tanks Hydronic expansion tanks designed to relieve pressure build-up in forced hot water heating systems with oversized diaphragms maximizing drawdown and minimizing wear.
• H2PLS Composite Storage Tanks Composite storage tank ideal for commercial and residential storage, hydropneumatic, and other applications; 50% lighter than steel tanks with non-corrosive composite construction.
• FLS Composite Storage Tanks Composite storage tank ideal for commercial and residential storage, hydropneumatic, and other applications, 50% lighter than steel tanks with non-corrosive construction.
• FLU Composite Utility Tanks Lightweight composite utility tank with unique 3-piece construction and integrally bonded connections, heavy-duty molded ABS base; weighs half as much as steel tanks and won't rust.
• WHV Series Potable Water Expansion Tanks Potable water expansion tanks with stainless steel system connection and patented CAD-2 diaphragm designed to maintain safe pressure in domestic water systems with backflow preventers.
• PH Series Potable Water Expansion Tanks Potable water expansion tanks with stainless steel system connection to maintain safe pressure in domestic water systems utilizing backflow preventers or check valves.
• Flow-Thru Well Tanks Well tanks with patented Flow-Thru technology that diverts system water into and out of the tank while the pump is running, providing constant flushing action for the freshest possible water and eliminating stagnant water.
• In-Well Pressure Tanks Pressure tanks installed directly in the well pipe to eliminate indoor/outdoor tank presence, removing space, noise, condensation, and freezing issues. Available in Stainless Steel and PVC for 4", 5", and 6" wells.
• Argosy Buffer Tanks Pressurized composite buffer tank for hot or chilled potable and non-potable water; lightweight and won't rust; reduces heat pump short cycling for improved system efficiency.
• Mixmaster Baffle Tanks High Mixing Disinfection Systems with baffle factor 3x higher than standard retention tanks, ensuring uniform mixing and sufficient residence time to meet CT standards.
• SSRO Steel RO Storage Tanks Steel RO storage tanks for RO accumulator systems with oversized diaphragms taking 20–30% more water than standard tanks, highest quality stainless steel elbow, and durable plastic base.
• FWRO Composite RO Storage Tanks Composite RO storage tanks for RO accumulator systems with oversized diaphragms taking 20–30% more water than standard tanks, schedule 80 PVC connection, non-corrosive and lightweight.

Quantifiable outcome

• 35-40% lighter than steel tanks
• +1 more outcomes

Named customers2 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Six partnerships are on record, tiered minor.

• Well Owners Network (wellcare)minorOthersNational network providing consumers served by private water wells with education and information to ensure safe drinking water. Flexcon supports this organization as part of their commitment to clean water access.
• American Groundwater TrustminorOthers501(c)(3) organization developing and facilitating collaborative programs for sustainable groundwater development, management and protection. Flexcon supported organization.
• Water Well TrustminorOthers501(c)3 organization created by the Water Systems Council to provide clean water supply to American families living without access to this resource. Flexcon supported organization.
• Water Systems CouncilminorOthersNational nonprofit organization founded in 1932 focused solely on private water wells and small, shared wells serving US households. Flexcon supported organization.
• Canadian National Groundwater AssociationminorOthersOrganization increasing public awareness of the critical importance of groundwater to Canada's society. Flexcon supported organization.
• NGWA (National Ground Water Association)minorOthersCommunity of groundwater professionals working together to advance groundwater knowledge and member success through education and outreach. Flexcon supported organization.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Amtrol / Well-X-Trol (Watts Water): Amtrol (owned by Watts Water) is the historical market leader in pre-pressurized well tanks and hydronic expansion tanks under the Well-X-Trol brand, directly competing with Flexcon across residential well tanks and commercial hydronic applications.
• Caleffi: Caleffi is a manufacturer of hydronic and plumbing components including expansion tanks and boiler accessories, directly competing with Flexcon's HTX/SXHT hydronic expansion tank lines in the HVAC market.

Broad incumbents

• Watts Water Technologies: Watts Water is a broad incumbent in water systems and plumbing products, owning Amtrol/Well-X-Trol. Its portfolio includes pressure tanks, valves, and water treatment products that overlap with Flexcon's range.
• Xylem (Goulds Water Technology): Xylem's Goulds Water Technology brand serves residential and commercial water systems including pumps and pressure tanks, competing in adjacent product categories served by Flexcon.
• Pentair: Pentair is a major water treatment and flow technology provider, competing with Flexcon in water treatment pressure vessels, RO storage tanks, and residential water system components.
• A.O. Smith: A.O. Smith is a leading water heater and water treatment manufacturer, with commercial and residential water storage products that overlap with Flexcon's storage tank and thermal expansion offerings.
• Bradford White: Bradford White is a manufacturer of water heaters and water storage products serving residential and commercial markets, overlapping with Flexcon's storage and thermal expansion product lines.
• Rheem: Rheem produces water heating and water treatment equipment for residential and commercial applications, with thermal expansion and storage tank categories that compete with Flexcon's offerings.

Regional players

• Stiebel Eltron: Stiebel Eltron is a manufacturer of water heating and HVAC products including buffer and expansion tanks, with a strong presence in European and North American markets relevant to Flexcon's hydronic segment.

Emerging players

• ZOELLER: ZOELLER manufactures water system and pump-related products for residential and light commercial markets, with overlapping customer segments (well contractors, plumbers) that intersect with Flexcon's installer channel.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/flexconind
• LinkedInlinkedin.com/company/flexcon-industries-inc-
• Xx.com/flexconind

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Flexcon Industries