German-built energy efficiency in a compact package: this 2018 Renner RSF-Pro 55 variable speed model delivers premium performance with low running hours and the renowned reliability of Renner Kompressoren – ideal for sites wanting to cut energy costs without sacrificing output.

Fully refurbished in 2025 by our specialist team, this RSF-Pro 55 features frequency-controlled operation that automatically adjusts to air demand, offering significant savings in part-load scenarios.

Key features and benefits:

• 55 kW high-efficiency motor with variable speed drive (VSD)
• True variable speed – up to 35% energy savings compared to fixed-speed equivalents
• Working pressure: 10 bar (adjustable range typically 6-10 bar with REflex function)
• Variable Free Air Delivery: up to 9.23 m³/min (326 CFM)
• Belt-drive system with automatic tensioning for long service life
• Quiet operation – typically 74-76 dB(A)
• RENNERtronic Touch electronic controller (optionally upgradable to Plus Touch) with intuitive display and service monitoring
• Integrated aftercooler for improved air quality
• Compact design with easy-access maintenance panels

Full 2025 refurbishment includes:

• Complete air-end inspection with new bearings and seals
• New air/oil separator, air filter, oil filter and full synthetic oil change
• Inverter fully tested and re-calibrated
• Belt tension and drive system check
• Thermostatic valve and minimum pressure valve service kit
• 10-hour variable-load performance test with printed report
• 6-month parts & labour warranty (extendable to 12 months)

Perfect for workshops, manufacturing, engineering or any medium-to-large site with fluctuating air demand needing robust, low-maintenance German engineering.

One unit available – fully workshop-tested and ready for immediate UK-wide delivery or collection.