Armstrong’s E.2 Pump-Less Volute kit is designed to upgrade, renew or replace all working parts of all models in the E Series family. The kits are suitable for hydronic fluid and potable water applications. The energy-efficient, dry motor circulators include a permanently lubricated mechanical seal. Featuring improved durability and enhanced protection against leakage and water damage to electrical components, the key design elements include: water slinger; stainless-steel shaft; sealed, permanently lubricated bearings; bellows-style mechanical seal with silicon carbide wear surfaces; wire-to-water efficiency; and a compact size with minimized flange-to-flange dimensions. Armstrong Fluid