Extension cable for detection block Si-2- SAUERMANN - ACC00942

Sauermann Lift Pump: Ensuring Condensate Drainage

Modern installations (condensing boilers, heat pumps, air conditioners) produce condensates that must be drained continuously. A failure in drainage can cause overflow, safety lockouts, or moisture damage. When natural drainage is not possible, the lift pump ensures the transfer of condensates to the drainage system.

Sauermann pumps are developed to meet the needs of residential settings: compact design, consistent operation, integration into technical areas, and materials compatible with acidic condensates. The choice of pump primarily depends on expected flow rate, lift height, and installation type (wall-mounted, false ceiling, duct).

Key Components for Reliable Lifting

Depending on the configuration, several elements contribute to the reliability of drainage:

• Pump / lift module: ensures condensate transfer with an appropriate flow rate and a manometric height consistent with the piping layout.

• Level detection system: float or sensor, it activates the pump at the right time and minimizes the risk of overflow.

• Check valve and fittings: reduce backflow and secure drainage, especially in vertical lifting applications.

How to Choose the Right Sauermann Pump?

Before selecting a model, identify the lift height, discharge length, type of device (boiler/heat pump/AC), and installation location. A properly sized pump limits unnecessary cycles, stabilizes drainage, and reduces noise.

Technical advice: check compatibility with acidic condensates, and size the lift height according to the highest point in the path, not just the horizontal distance.