The Rothenberger ROSOLAR Pump is a high-performance centrifugal maintenance pump designed for fast, safe and efficient servicing of solar thermal systems. Whether you’re filling, flushing or venting a solar circuit, the ROSOLAR Pump delivers the power and reliability needed for professional installation and long-term system care.

With a 750 W motor, large 30-litre tank, and heat-resistant hoses capable of handling temperatures up to 100°C, this pump is engineered for demanding on-site conditions. The adjustable telescopic handle and compact frame ensure easy transport and storage, even in tight plant rooms or service vehicles.

Built for both professional installers and homeowners looking to optimise system performance, the ROSOLAR Pump ensures correct flow, thorough flushing and long-lasting solar efficiency.

Key Features

• High-Performance Centrifugal Pump – Ideal for rapid filling, effective flushing and reliable venting of solar thermal systems

• Heat-Resistant Hoses – Safe operation with hose temperature resistance up to 100°C

• Large Filling Opening – Makes adding solar fluids and antifreeze quick and simple

• Shut-Off Valve – Clean, controlled emptying without mess

• Adjustable Telescopic Handle – Extends from 76–110 cm for easy handling, transport and storage

• Robust Construction – Built for frequent use on professional installations

Specifications

• Article Number: 1500000135

• Voltage: 230 V

• Frequency: 50 Hz

• Power Consumption: 750 W

• Max Fluid Temperature: 60°C

• Max Flow Rate: 35 L/min

• Tank Capacity: 30 L

• Dimensions (HxWxD): 76 × 49 × 51 cm

• Weight: 23.3 kg

Applications

• Filling and flushing solar thermal systems

• Venting and commissioning solar heating circuits

• Routine solar maintenance for installers and homeowners

• Ensuring long-term system efficiency and fluid circulation