PCM4800 Series Tank Sump

PCI’s PCM4800 Series fiberglass tank sumps are some of the largest in the industry yet most cost-conscience. It offers all the benefits of our 4800 series with a narrower riser to reduce shipping costs.

Universal Base
Collar mount, solid bottom and universal bottom bases are available for all three types of installations – collar mount, bung mount and manways. Can be factory cut.

Dual STP System
Accommodates two STP systems with ample room to work.

All benefits of the 4800 series in a more economical option – narrow riser reduces shipping costs.

UL Listed 2447

  • PCM4872-3D0
  • PCM4030-3D0

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)
PCM4840 20” 0” – 9” 31” – 40”
PCM4852 32” 0” – 9” 43” – 52”
PCM4860 20” 0” – 29” 31” – 60”
PCM4872 32” 0” – 29” 43” – 72”
Options (Example: PC4840-3B1)
-3C0 42” Collar Mount, No Bonding Kit**
-3C2 42” Collar Mount, (x2) E148CM Epoxy Kit**
-3D0 48” Collar Mount, No Bonding Kit***
-3D2 48” Collar Mount, (x2) E148CM Epoxy Kit**
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

*Dimensions are based on Solid Bottom sumps only
**Subtract 1″ if mounting to a 42″ tank collar
***Subtract 2.5″ if mounting to a 48″ tank collar



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