Retrofit-SD-AB (2-sided)

All-Fiberglass Split Retrofit Fitting For DoubleWall Sumps

The Retrofit-SD-AB entry fittings are a double-sided all-fiberglass split solution to failing flexible entry fittings. They allow you to permanently retrofit existing fittings without disconnecting pipe/conduit or causing station downtime. Read more

This model requires you to break concrete to gain access to the sump exterior. The revised Retrofit-S fittings come in two flavors: The standard models accommodate pipe angles between 0-20° degrees. Extreme angle models accommodate angles between 20-45° degrees. They are made for flat or curved fiberglass walls only and models are available for 1/2”, 3/4” and 1” electrical conduit as well as fiberglass pipe from 2” through 4” diameters. All Retrofit-SD-AB fittings are kitted with many installation tools except epoxy adhesive. These fittings are fully AB-2481 compliant and are compatible with all conventional and alternative fuels.

Recover money spent on never-ending maintenance
For DoubleWall (Monitored) Fiberglass sumps
Bonded by epoxy adhesive
Maintains an AB-2481 compliant interstice
Retrofit entry fitting
For flat or curved walls
For fiberglass piping
For steel conduit
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  • Made in the USA (i)
  • FRP Construction / Built like a Tank (i)
  • Fully AB-2481 Compliant
  • Compatible with all fuels (i)
  • For 1/2”, 3/4” and 1” galvanized conduit
  • For 2”, 3” and 4” fiberglass pipe, including LCX coaxial
  • One split-body and loose angle flange for each side
  • NO failure-prone materials or components
  • Factory-machined surfaces (i)
  • Kitted: Includes installation accessories (i)
  • Third Party Approved
  • 30 Year Warranty (i)


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  • Last updated 02-19-19