Providing continuous capacity modulation for HVAC/R DX systems since 1993 · 100,000+ valves installed in the field

Product Family

APR Control and APR‑E Valve

APR Control by Rawal Devices: continuous capacity modulation for oversized and staged DX HVAC. Two products, kept distinct: APR Control is the mechanical valve; APR‑E Valve is the electronic control. Both add continuous capacity modulation to DX HVAC, on new or existing equipment, across R-410A, R-454B, R-32, and R-22.

APR Control valve

Mechanical

APR Control®

Pressure-activated mechanical valve. Continuous capacity modulation sized to the lead compressor, with passive evaporator freeze protection. No controls to program.

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APR-E valve

Electronic

APR‑E Valve™

Electronic control that holds discharge air temperature to ±1°F on DAT control. APR modulation cut total compressor starts 77% (951 to 218) (Independent Field Study).

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Not sure which fits?

Run the APR Sizing Tool for a preliminary selection, or tell a Rawal Devices Engineer what you have. Sizing and selection are on us.