4200 Series Tank Sump – Solid Bottom

The 4200 Series Tank Sump is a cost-effective fiberglass alternative to polyethylene tank sumps. Fiberglass construction guarantees long-term reliability without deforming or cracking.

Multiple sumps can be stacked and nested together to significantly reduce shipping costs by storing more sumps on less pallets.

Retrofit Installation
Available in most common size for retrofit applications.

The octagon base provides flat sealing surfaces for 45° and 90° penetrations.

UL Listed 2447

  • PC4240 Fiberglass Tank Sump
  • PCI 4224 Fiberglass Tank Sump
  • 4250 Fiberglass Tank Sump with Twist-Lok Lid

Standard Features

TwistLok Access Cover Logo
Twist-Lok Lid

Twist-Lok Access Cover

PCI’s tank sumps come standard with the latest generation of our innovative ‘Twist-Lok’ Access Cover. Constructed from injection molded fiberglass, Twist-Lok lids provide a watertight seal with a quick and easy 12º  turn.

Duo Molded Technology

Duo-Molded Technology

Our fiberglass sumps utilizes Duo-Molded Technology. Using premium raw materials with a high glass content, we create two layers of fiberglass, offering superior strength and fuel resistance.


Our signature ‘Brite-White’ interior reflects light for better visibility and makes identifying leak points easier.

100% Fiberglass

100% high-quality, non-corrosive fiberglass provides long-term reliable containment from fuel exposure without voiding warranty, warping, cracking or becoming brittle.

Epoxy Bonding EP2A

Permanent Bond

We’ve engineered our products to be the most efficient to install without losing any of the water-tight quality. Our two-piece tank and transition sumps are permanently bonded in the field with a single EP2A epoxy pour.

Optional Features

Inspection Port

Inspection Port

Optional 4″ inspection port is available for all Twist-Lok lids. This allows for quick and easy inspection without removing entire cover. Part Number IP4000-1


Part No. Base Height (A) Adjustable Height (B) Overall Height (C)
PC4224* 15″ N/A 24″ Fixed
PC4230** 15″ 10″ 24″ – 30″
PC4240 15″ 19″ 29″ – 39″
PC4250 15″ 31″ 29″ – 51″
Options (Example: PC4224-CB0)
-CB0 Bolt-down Lid, No Bonding Kit
-CB1 Bolt-down Lid, Epoxy Bonding Kit
-CB4 Bolt-down Lid, Fiberglass Bonding Kit
-3B0 Twist-Lok Lid, No Bonding Kit
-3B1 Twist-Lok Lid, Epoxy Bonding Kit
-3B4 Twist-Lok Lid, Fiberglass Bonding Kits
TSA400 4″ Tank Sump Adapter 11.1″OD
IP4000-1 4″ Inspection Port for Twist-Lok Lid

Optimum lid height is 4″ below manhole cover
Not for use with 42″ Tank Collar

*PC4224 only available with Bolt-Down Lid
**PC4230 only available with Twist-Lok Lid

4200 Series Tank Sump Dimensions



UL® Listed 2447

California Code of Regulation Title 23, Division 3, Chapter 16, Section 2631 (AB 2481/ California VPH)

State of Floria Department of Environmental Protection Approved / Registered Storage Tank System: EQ-203