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Dayton 21TH25 pump repair kit with Viton gasket, impeller, mechanical seal, O-ring and hardware

Dayton

Dayton 21TH25 Repair Kit for 2ZXL5 2ZXL6

SKU CH-SENA-8W4CA

Repair kit for Dayton straight centrifugal pumps 2ZXL5 and 2ZXL6, includes Viton gasket mechanical seal, impeller with shim kit, acorn nut, O-ring, slinger washer, lock washers and hex head cap screws

  • Restores pump performance with a complete repair kit
  • Ensures chemical resistance using Viton gasket material
  • Secures assembly with included hex head cap screws
  • Prevents leaks with supplied mechanical seal and O-ring
  • Fits Dayton 2ZXL5 and 2ZXL6 straight centrifugal pumps

Repair Kit for Dayton 2ZXL5 and 2ZXL6

This Dayton 21TH25 repair kit is designed for straight centrifugal pumps carrying the manufacturer model numbers 2ZXL5 and 2ZXL6. It provides the replacement parts needed to restore pump function when seals or internal hardware wear out. Maintenance technicians and facility managers use it to keep compatible equipment running without replacing the entire pump assembly.

Replaces worn seals and hardware in compatible pumps

The kit includes a mechanical seal, O-ring, Viton gasket material, impeller, impeller shim kit, low crown acorn nut, slinger washer, lock washers and two sets of hex head cap screws. Install it when the original seals leak, the impeller shows erosion or the mounting hardware corrodes. The jump is worth it when the pump housing remains sound but the internal components have reached the end of their service life.

Suits technicians servicing Dayton 2ZXL5

This kit suits maintenance teams that already operate those specific pump models and want a single package of genuine Dayton replacement parts. It is not for operators of other pump brands, different Dayton models or anyone needing a complete new pump assembly. Buyers who want more storage or a different gasket material should look at something else.

Highlights

  • Restores pump performance with a complete repair kit
  • Ensures chemical resistance using Viton gasket material
  • Secures assembly with included hex head cap screws
  • Prevents leaks with supplied mechanical seal and O-ring
  • Fits Dayton 2ZXL5 and 2ZXL6 straight centrifugal pumps

Specifications

BrandDAYTON

Questions about this item

What pump models does this repair kit fit?

The kit is compatible with Dayton straight-centrifugal pumps carrying manufacturer model numbers 2ZXL5 and 2ZXL6.

Which fasteners are included for the mechanical-seal installation?

The package supplies four 3/8 in -16 X 1 in hex head cap screws, four 3/8 in -16 X 3/4 in hex head cap screws, four lock washers, a 5/8 in slinger washer and a low crown acorn nut.

What seal and gasket materials will need replacement during future servicing?

The kit uses a Viton gasket, a mechanical seal and an O-ring; these are the wear items you will replace next time the pump is rebuilt.

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