Electric Solar Maintenance Pump HAP 21_SOL-E – Fast, bubble-free refilling of solar systems

The HAP 21_SOL-E electric solar maintenance pump is the ideal solution for efficient and straightforward maintenance work on thermal solar systems. By screwing directly onto the supplied 20-liter canister, the pump enables quick, clean, and bubble-free refilling. Thanks to its compact, lightweight design, it is ideally suited for mobile service use.

Your advantages at a glance

• Quick & bubble-free refilling: Direct filling of solar systems without air intake.

• Extremely easy to use: Pump screws directly onto the canister – no decanting necessary.

• Compact & lightweight: Ideal for service vehicles and mobile use (only approx. 2.3 kg).

• Strong operating pressure: Max. 5 bar – perfect for typical maintenance scenarios.

• Reliable performance: Approx. 27 l/h (at 2.5 bar with water).

• Includes deaeration unit: Reliably prevents air from entering the system.

Technical data

• Power supply: 230 V, 50 W, ~50 Hz

• Protection class: IP64

• Flow rate: approx. 27 l/h (water at 2.5 bar)

• Max. delivery pressure: 5 bar

• Connection: 1/2" hose connection

• Cable length: approx. 3 m

• Weight: approx. 2.3 kg

Scope of delivery

• Electric solar maintenance pump

• Suction hose with filter

• Deaeration unit with ball valve

• 2 m pressure hose

• 20-liter canister