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Coolant Service
Exchangers
Robinair coolant service, particularly their refilling and exchange systems, are highly praised for their speed, efficiency, and safety features.
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They use vacuum technology to rapidly and completely fill cooling systems, eliminating air bubbles and the need for traditional bleeding procedures. This allows for quick coolant exchanges with the engine off, minimizing safety risks.

75700
CoolTech Coolant Exchanger
Robinair's CoolTech Coolant Exchanger has a 10-minute exchange process. Works on both pressurized and non-pressurized cooling systems. Designed and built with the user in mind: safety first, simple to operate, designed to survive, and comes with extra design features.
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Safety First:
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The "engine off" feature removes pulleys, belts, and fan blades from the safety equation
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No additional ventilation is required
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Vacuum mode creates a "push/pull" exchange process allowing to safely remove high pressure in a hot system
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"Hands-off" transfer of used coolant to a bulk tank prevents spills and helps protect the technician
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Simple Operations:​
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​Two clearly marked valves and an easy-to-read gauge makes this machine very simple to use
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Sight glass clearly shows the amount of coolant in the waste tank
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One valve controls the flow of coolant; process is easy to understand; no special training needed
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No electricity required; 90 psi shop air drives the exchange process, and the 2 gpm pump on the waste tank
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Designed to Survive:
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Impact-resistant polypropylene cabinet will not scratch or dent vehicle
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Cabinet is impervious to chemicals commonly used in the shop
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Large, inflatable tires carry a well-balanced platform easily across any shop floor
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Easy to maneuver between bays and vehicles
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Extra Design Features:
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Two external new coolant supply tanks allow on-board storage of two different coolant types
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Graduations on tanks show user the amount of new coolant on board
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On-board storage of step adapters
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Adapter kit included
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No hoses to cut
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96" hoses can be neatly stored on unit
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One-year warranty
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Specifications | 75700 |
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Large Step Adapter | Two included; fits hose sizes 1-3/4", 2", and 2-1/4" |
Medium Step Adapter | Two included; fits hose sizes 1-1/4", 1 3/8", and 1-1/2" |
Dimensions | 47" H x 26" W x 33" D / 119 cm x 66 cm x 84 cm |
External Tank | 2 7-gallon capacity / removable |
Internal Tank | 15-gallon capacity |
Power Supply | 90 psi shop air |