Taco Mechanical Seals
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Taco 70mm Mechanical Seal (2100K) – 70mm
Taco 70mm Mechanical Seal (2100K) – 70mm
Taco 70 mm Mechanical Seal — 2100K
Taco 70mm mechanical seal replacement (2100K style) for Taco centrifugal/hydronic pumps. Built with SiC/SiC faces and Viton (FKM) elastomers for temperature and chemical resistance. This is a 70 mm mechanical seal built to the 2100K style, commonly used in HVAC and hydronic circulation service (hot/chilled water systems) where durability and temperature resistance are important.
Material build
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Faces: SiC / SiC
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Elastomers: Viton
Cross-references
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Taco: 955-1846RP, 955-1841RP (SiC/Viton material code)
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Other refs: TS100801/70/G, TC100813
Best for
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HVAC systems, hot/chilled water circulation, and general hydronic service where durability and temperature resistance are critical.
Have questions? Check out our Single Spring Seal Guide or call us anytime—we’re here to help.
Explore our full lineup of Single Spring Seals—PS replacements, pool/spa seals, and our SPS line.
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Taco GT350 Mechanical Seal (80mm Shaft) — Split-Case Pump Replacement
Taco GT350 Mechanical Seal (80mm Shaft) — Split-Case Pump Replacement
Taco GT350 Mechanical Seal (80mm Shaft) — Split-Case Pump Replacement
Direct-fit aftermarket replacement mechanical seal designed for Taco GT350 split-case pumps. This seal is used to provide reliable shaft sealing and help prevent leaks during normal pump operation in hydronic heating/cooling, hot water, and chilled water circulation applications.
Key specifications
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Pump type: Taco GT350 split-case pump configuration
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Shaft size: 80mm
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Quantity required: Two (2) mechanical seals per pump
Common applications
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Hydronic heating and cooling systems
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Chilled water and hot water circulation
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Commercial HVAC pump maintenance and repair
Fitment note: Match by pump model (GT350) and shaft size (80mm). If your pump’s nameplate lists a longer model (example: GT35024) or you have an OEM kit/part number from a manual or invoice, use the specification section below to confirm compatibility. Call or text us anytime to confirm right part.
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