C-100 Reverse Osmosis System Control Panel, white panel with digital display, green and blue buttons and status LED chart
C-100 Reverse Osmosis System Control Panel, white panel with digital display, green and blue buttons and status LED chart

C-100 Reverse Osmosis System Control Panel

SKU CQE-CV-S0100

$2,589.00 SKU CQE-CV-S0100

The Crystal Quest C-100 Controller is an ideal solution for the monitoring and control of light commercial reverse osmosis units.

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Shipping

Free shipping on orders over $150

Residential addresses in the lower 48 US states. Excludes business addresses, commercial and industrial systems (which ship by freight), and filter media sold by the bag or cubic foot.

Shipping for this item is calculated at checkout.

Order by 3:00 PM Eastern on a business day and most filters, cartridges and smaller items leave our facility that same day. Standard residential systems ship within 1 to 2 business days, and whole house, custom and specialty systems typically within 3. So far in 2026, 95% of our orders have shipped within one business day and 99% within five (based on an internal review of our order records).

Once shipped, standard delivery typically arrives in 3 days to the Southeast, Northeast and Southwest, and in 4 days to the Midwest and the West. Need it sooner? UPS 2nd Day Air and Next Day Air are available at checkout for eligible products. Systems that ship by freight can take longer and may need a delivery appointment.

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Lifetime support

Our team answers questions about products, orders, installation, troubleshooting and replacement parts.

Phone: 770-951-5600 or (800) 934-0051

Email: help@crystolquest.shop. We reply within 24 to 36 hours.

Live chat during business hours

Hours: Monday to Friday, 9:00 AM to 5:00 PM Eastern. We observe U.S. federal holidays.

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C-100 Reverse Osmosis System Control Panel
The Crystal Quest C-100 Controller is an ideal solution for the monitoring and control of light commercial reverse osmosis units. This economical controller provides relays for the RO pump, inlet solenoid valve, and membrane flush solenoid valve.

The dry contact switch inputs monitor storage tank level, low and high-pressure switch signal, and system lockout for pretreatment backwash or regeneration for on/off operation. All inputs and outputs are controlled with time delays for proper operation.

Additionally, the TDS value incorporates a field adjustable set point for the water quality threshold, allowing the unit to produce a system warning if the water quality threshold is exceeded. LED indicates water quality and operating status.

Features:
  • Economical controls
  • Visual status LED
  • TDS monitor w/ sensor (range 0-1000 PPM)
  • Three-digit LED display
  • Jumper selectable flush type
  • Jumper selectable switch inputs
  • TDS calibration adjustment
  • TDS setpoint adjustment
  • Quick disconnect high voltage terminals
  • Plug-in terminals for switch inputs
  • Panel mountable enclosure