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.

Mechanical
APR Control®
Pressure-activated mechanical valve. Continuous capacity modulation sized to the lead compressor, with passive evaporator freeze protection. No controls to program.
Explore APR Control
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).
Explore APR‑E ValveNot 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.
