The Kramer KFO250E4SDA is a 2-1/2 HP extended medium temperature air-cooled condensing unit engineered for walk-in cooler refrigeration applications. Part of the Next-Gen K-Series Scroll platform, this unit delivers approximately 25,500 BTU/h at standard rating conditions with proven scroll-compressor reliability and multi-refrigerant flexibility (R-448A / R-449A / R-407A / R-404A).

Designed for restaurants, convenience stores, grocery, and cold-storage operators, the KFO250E4SDA pairs high energy efficiency with quick, contractor-friendly installation. Its rugged outdoor cabinet and modern component set are built for years of low-maintenance service in demanding commercial environments.

Key Specifications

• Model: KFO250E4SDA
• Horsepower: 2-1/2 HP
• Application: Walk-in Cooler — Extended Medium Temperature
• Capacity: ~25,500 BTU/h
• Refrigerant Compatibility: R-448A / R-449A / R-407A / R-404A
• Electrical: 208-230V / 1 Phase / 60Hz
• Compressor: Scroll (Next-Gen K-Series)
• Configuration: Air-Cooled Outdoor Condensing Unit

Standard Features

• Solid-state defrost timer (pre-set and factory wired)
• Energy-efficient EC (electronically commutated) condenser fan motors
• Sealed liquid line filter drier and moisture-indicating sight glass
• Standard liquid receiver for stable refrigerant charge management
• Fixed high-pressure and adjustable low-pressure controls
• Robust weather-resistant powder-coated cabinet
• Multi-refrigerant compatibility for R-448A, R-449A, R-407A, and R-404A applications

Why the Kramer Next-Gen K-Series

Kramer's Next-Gen K-Series Kompact condensing units are engineered as EPA-compliant, drop-in replacements for legacy R-404A systems. Optimized for R-448A and R-449A refrigerants while remaining compatible with R-407A and R-404A, the K-Series gives contractors and facility managers a future-proof platform with lower GWP performance and reduced total cost of ownership.