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Water Pump Thermostat

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Some people will tell you that a high-flow water pump and a high-flow thermostat will make the water flow too fast through the radiator and not cool off enough. We aren't buying that. At every corner, we've put in a high-flow pump and these Robertshaw Thermostats, which we got from Flow Kooler. The high-flow thermostats not only flow better, but the action of the valve opening is better-in 10 years, we've yet to have one stick.

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