I have two 1/10 hp AquaEuro chillers for sale. $300 each or $550 for both of them. Comes with manual and fittings, no external pump.
Description from Marine Depot below, these units are $500 when new.
AquaEuroUSA - Max Chill Series titanium chillers are powerful cooling systems for both freshwater and saltwater aquariums. They are powerful, compact, quiet and will maintain optimum water temperature for your aquarium. A digital LED temperature control display allows for user friendly programming. It features a built in memory recall which will maintain settings in the event of a power outage or surge. The powerful and reliable compressor uses Dupont ozone friendly refrigerant and the Anti-Freezing System will not allow the heat exchanger to freeze.
Quickly lowers and maintains desired water temperature
Powerful and compact design
High quality, durable, reliable and efficient
Corrosion resistant titanium heat exchanger cools efficiently
Digital LED display for simplified functional control
Anti-freezing system protects heat exchanger from freezing
Powerful compressor uses environmentally friendly Dupont R134a cooling agent
Automtic power surge shut-off control with the last set temperature recall system will protect the chiller and return all settings in the event of a power surge or outage
Efficient and reliable compressor saves money by using less electricity
High BTU (heat removal) rating, heavy duty condenser effortlessly releases collected heat from water
Easy to remove front condenser cover and filter make cleaning easy
All necessary fittings are included to make for quick and easy installation on most any aquarium
Tank Size Up To: 80 Gallons
Dimensions: 14.5" x 10" x 14.5"
Inlet / Outlet: 1/2" & 5/8"
Flow GPH: 200-315
Weight: 33 lbs