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

• Faces: SiC / SiC

• Elastomers: Viton 

Cross-references

• Taco: 955-1846RP, 955-1841RP (SiC/Viton material code)

• Other refs: TS100801/70/G, TC100813

Best for

• 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.

Looking for more? Shop Pump Repair Kits, Parts & Accessories, and Pre-Cut Gaskets.

Have questions? Call us anytime- we’re here to help