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    Hayden Automotive 3647 Adjustable Thermostatic Fan Control
    Automotive Parts and Accessories (Hayden, Inc.)


    Hayden, Inc.

    List Price: $55.88
    Price: $19.83
    You Save: $36.05 (65%)

    • For use with Rapid-Cool and super duty electric fans
    • Probe installs in to radiator fins
    • Adjustable thermostatic fan control

    Hayden Automotive 3651 Adjustable Thermostatic Fan Control
    Automotive Parts and Accessories (Hayden, Inc.)


    Hayden, Inc.

    List Price: $65.55
    Price: $29.19
    You Save: $36.36 (55%)

    • Adjustable thermostatic fan control
    • For use with Rapid-Cool and super duty electric fans
    • Thread-in probe for installation in water jacket or radiator

    Hayden Automotive 3653 Economy Adjustable Thermostatic Fan Control
    Automotive Parts and Accessories (Hayden, Inc.)


    Hayden, Inc.

    List Price: $30.12
    Price: $13.38
    You Save: $16.74 (56%)

    • Adjustable thermostatic fan control
    • Probe installs in to radiator fins
    • For use with Rapid-Cool and super duty electric fans

    Hayden Automotive 3652 Preset Thermostatic Fan Control
    Automotive Parts and Accessories (Hayden, Inc.)


    Hayden, Inc.

    List Price: $52.59
    Price: $22.69
    You Save: $29.90 (57%)

    • 185 degree Fahrenheit preset thermostatic fan control
    • For use with Rapid-Cool and super duty electric fans
    • Probe installs in to radiator fins

    Hayden Automotive 3654 Adjustable Thermostatic Fan Control
    Automotive Parts and Accessories (Hayden, Inc.)


    Hayden, Inc.

    List Price: $84.58
    Price: $35.42
    You Save: $49.16 (58%)

    • Probe installs in to radiator fins
    • For use with Ultra-Cool 2-speed electric fans
    • 2 Speed / 2 Fan Adj. Thermostatic Fan Controller, 160Вє F - 210 Вє F, Push-In Probe

How to Modify a Thermostat to Control a Fan for a Fermentation Chiller

In this video, I'll show you how to modify a Hunter 42995 thermostat, interface it with a computer fan powered by a 12V power supply, to ...