Sauermann Si-27 condensate drain pumpSauermann Si 27 condensate drain pump The Sauermann Si 27 is a piston condensate drain pump designed for air conditioners up to 20 kW , ideal for residential and commercial applications. Thanks to patented Sauermann technology, it guarantees high reliability, continuous operation, and consistent performance even in environments subject to impurities. Compact and versatile, it comes with a mounting plate for wall, pipe, or suspended installation, with
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