Technical data, tools and notes for refrigeration and electronics technicians.

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spera J7238GE Compressor 1.5 HP R407C HBP Technical Specifications and Performance Data mbsmpro
12, Feb 2026
spera J7238GE Compressor 1.5 HP R407C HBP Technical Specifications and Performance Data

The Aspera J7238GE is a powerhouse in the commercial cooling sector. Delivering 1.5 HP of performance using R407C refrigerant, this Slovakia-built compressor is designed for High Back Pressure applications. With a 32.7 cc displacement and a robust CSR motor, it provides reliable cooling for large-scale industrial chillers and commercial walk-in…

ZMC GL90TB Compressor Technical Specifications and R134a Replacement Guide mbsmpro
31, Jan 2026
ZMC GL90TB Compressor Technical Specifications and R134a Replacement Guide

The ZMC GL90TB is a high-performance 1/4 HP compressor designed for High Back Pressure (HBP) commercial refrigeration. Operating on R134a with a 220-240V supply, it offers a cooling capacity of approximately 2800 BTU/h. This article provides technical specs, COP efficiency metrics, and direct replacement models for professional HVAC technicians and…

Tecumseh Commercial Refrigeration Compressors mbsmpro
3, Jan 2026
Tecumseh Commercial Refrigeration Compressors

Tecumseh commercial compressors range from 1/9 HP (230 W) to 3 HP (4,000 W), delivering refrigeration capacities from 278 W to 6,973 W across R404A, R134a, and legacy refrigerants. This complete technical guide provides exact horsepower, input wattage, evaporating ranges, and application types for all ten major models used in…