RP-985 Reservoir and Pump (Rev2.1)

Part No. RP-985 This product is archived and displayed for information only. It is no longer available for purchase. Released: 07 October 2011

The RP-985 incorporates Koolance's PMP-300 pump. Designed to fit a single 5.25" (CD) bay, it utilizes the same reservoir, front LED display, and rear G 1/4 BSPP (parallel) thread fitting sockets.


  • Fits a single 5.25" CD bay
  • Adjusts radiator fan speeds automatically, or with 10 manual levels
  • Manual pump speed adjustment
  • Variable temperature alarms on 3 independent sensors
  • Auto-cycle or static display of all connected temperature sensors
  • Variable safety shutdown temperature
  • Front and top reservoir blue LED lighting
  • Top refill plug

IMPORTANT NOTE: The pump should never be run dry. Always test this product with coolant.

Weight 2.20 lb (1.00 kg)
Fitting Thread G 1/4 BSPP
Max Pressure Tolerance @ 25°C 1kgf/cm2 (14.2psi)
Max Temperature Tolerance 60°C (140°F)
Capacity 237mL (8 fl oz)
Display Type LED
Pump PMP-300 @ 12V
Temperature Sensors 10K Thermistors
Diagrams / Models (See Files Tab for Diagrams and 3D Models)

Liquid Coolants

Koolance's product warranty does not cover the use of 3rd-party coolants, coolant additives, or corrosion. Koolance LIQ-702 or LIQ-705 coolants are strongly recommended to help avoid issues with mixed metals or biological growth. Additionally, do not use aluminum with bare (unplated) copper or bare (unplated) brass in the same system. Do not use silver with nickel in the same system.