PRH Constant Pressure Controller (Discontinued)

PRH Constant Pressure Controller OJ Electronics is a global supplier of thermostats, power controls, HVAC supplies and much more

Accurate control of VAV applications

PRH is a constant pressure controller primarily used for controlling fans through an analogue 0-10 V signal. It is typically used in domestic air extraction systems for bathrooms and cooker hoods. The PRH controller is supplied complete with PTH pressure transducer, air tube and tube connector, all in the one package.

We offer the following Constant Pressure Controller:

  • PRH-1212
  • Saves energy thanks to VAV
  • Bult-in power supply
  • Ensures trouble-free fan control
  • Possibility of monitoring via BMS
  • Menu pre-installed with 5 language versions
  • Night setback
  • Reduces noise by preseventing unnecessarily high pressure in the duct










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